Home / 187,200.66-258,333.10-102,318.33

Finding the Fourth Proportional to 187,200.66, 258,333.10 and 102,318.33

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Solution

The fourth proportional to 187,200.66, 258,333.10 and 102,318.33 is: 141,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,200.66 : 258,333.10 = 102,318.33 : x
  2. Step 2: Convert to fraction form
    187,200.66/258,333.10 = 102,318.33/x
  3. Step 3: Cross multiply
    187,200.66x = 258,333.10 × 102,318.33
  4. Step 4: Simplify right side
    187,200.66x = 26,432,211,375.72
  5. Step 5: Solve for x
    x = 26,432,211,375.72/187,200.66
  6. Step 6: Final answer
    x = 141,197.21

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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.