Home / 187,117.39-258,218.98-102,232.63

Finding the Fourth Proportional to 187,117.39, 258,218.98 and 102,232.63

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Solution

The fourth proportional to 187,117.39, 258,218.98 and 102,232.63 is: 141,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,117.39 : 258,218.98 = 102,232.63 : x
  2. Step 2: Convert to fraction form
    187,117.39/258,218.98 = 102,232.63/x
  3. Step 3: Cross multiply
    187,117.39x = 258,218.98 × 102,232.63
  4. Step 4: Simplify right side
    187,117.39x = 26,398,405,441.32
  5. Step 5: Solve for x
    x = 26,398,405,441.32/187,117.39
  6. Step 6: Final answer
    x = 141,079.38

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Half scale
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Double scale
Find fourth proportional to 187,118.39, 258,220.36 and 102,233.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.