Home / 185,577.32-278,505.92-135,785.87

Finding the Fourth Proportional to 185,577.32, 278,505.92 and 135,785.87

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Solution

The fourth proportional to 185,577.32, 278,505.92 and 135,785.87 is: 203,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,577.32 : 278,505.92 = 135,785.87 : x
  2. Step 2: Convert to fraction form
    185,577.32/278,505.92 = 135,785.87/x
  3. Step 3: Cross multiply
    185,577.32x = 278,505.92 × 135,785.87
  4. Step 4: Simplify right side
    185,577.32x = 37,817,169,441.48
  5. Step 5: Solve for x
    x = 37,817,169,441.48/185,577.32
  6. Step 6: Final answer
    x = 203,781.21

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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.