Home / 185,672.13-256,227.30-100,789.17

Finding the Fourth Proportional to 185,672.13, 256,227.30 and 100,789.17

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Solution

The fourth proportional to 185,672.13, 256,227.30 and 100,789.17 is: 139,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,672.13 : 256,227.30 = 100,789.17 : x
  2. Step 2: Convert to fraction form
    185,672.13/256,227.30 = 100,789.17/x
  3. Step 3: Cross multiply
    185,672.13x = 256,227.30 × 100,789.17
  4. Step 4: Simplify right side
    185,672.13x = 25,824,936,898.34
  5. Step 5: Solve for x
    x = 25,824,936,898.34/185,672.13
  6. Step 6: Final answer
    x = 139,088.92

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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.