Home / 187,115.36-258,218.75-102,233.03

Finding the Fourth Proportional to 187,115.36, 258,218.75 and 102,233.03

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Solution

The fourth proportional to 187,115.36, 258,218.75 and 102,233.03 is: 141,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,115.36 : 258,218.75 = 102,233.03 : x
  2. Step 2: Convert to fraction form
    187,115.36/258,218.75 = 102,233.03/x
  3. Step 3: Cross multiply
    187,115.36x = 258,218.75 × 102,233.03
  4. Step 4: Simplify right side
    187,115.36x = 26,398,484,179.80
  5. Step 5: Solve for x
    x = 26,398,484,179.80/187,115.36
  6. Step 6: Final answer
    x = 141,081.34

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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.