Home / 187,043.40-280,565.10-124,057.80

Finding the Fourth Proportional to 187,043.40, 280,565.10 and 124,057.80

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Solution

The fourth proportional to 187,043.40, 280,565.10 and 124,057.80 is: 186,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,043.40 : 280,565.10 = 124,057.80 : x
  2. Step 2: Convert to fraction form
    187,043.40/280,565.10 = 124,057.80/x
  3. Step 3: Cross multiply
    187,043.40x = 280,565.10 × 124,057.80
  4. Step 4: Simplify right side
    187,043.40x = 34,806,289,062.78
  5. Step 5: Solve for x
    x = 34,806,289,062.78/187,043.40
  6. Step 6: Final answer
    x = 186,086.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.