Home / 187,265.25-258,426.05-102,382.92

Finding the Fourth Proportional to 187,265.25, 258,426.05 and 102,382.92

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Solution

The fourth proportional to 187,265.25, 258,426.05 and 102,382.92 is: 141,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.25 : 258,426.05 = 102,382.92 : x
  2. Step 2: Convert to fraction form
    187,265.25/258,426.05 = 102,382.92/x
  3. Step 3: Cross multiply
    187,265.25x = 258,426.05 × 102,382.92
  4. Step 4: Simplify right side
    187,265.25x = 26,458,413,091.15
  5. Step 5: Solve for x
    x = 26,458,413,091.15/187,265.25
  6. Step 6: Final answer
    x = 141,288.43

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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.