Home / 187,503.31-258,753.04-102,620.17

Finding the Fourth Proportional to 187,503.31, 258,753.04 and 102,620.17

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Solution

The fourth proportional to 187,503.31, 258,753.04 and 102,620.17 is: 141,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,503.31 : 258,753.04 = 102,620.17 : x
  2. Step 2: Convert to fraction form
    187,503.31/258,753.04 = 102,620.17/x
  3. Step 3: Cross multiply
    187,503.31x = 258,753.04 × 102,620.17
  4. Step 4: Simplify right side
    187,503.31x = 26,553,280,952.82
  5. Step 5: Solve for x
    x = 26,553,280,952.82/187,503.31
  6. Step 6: Final answer
    x = 141,615.00

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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.