Home / 185,560.32-256,073.76-100,677.18

Finding the Fourth Proportional to 185,560.32, 256,073.76 and 100,677.18

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Solution

The fourth proportional to 185,560.32, 256,073.76 and 100,677.18 is: 138,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,560.32 : 256,073.76 = 100,677.18 : x
  2. Step 2: Convert to fraction form
    185,560.32/256,073.76 = 100,677.18/x
  3. Step 3: Cross multiply
    185,560.32x = 256,073.76 × 100,677.18
  4. Step 4: Simplify right side
    185,560.32x = 25,780,784,028.80
  5. Step 5: Solve for x
    x = 25,780,784,028.80/185,560.32
  6. Step 6: Final answer
    x = 138,934.79

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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.