Home / 185,677.11-278,470.85-85,741.23

Finding the Fourth Proportional to 185,677.11, 278,470.85 and 85,741.23

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Solution

The fourth proportional to 185,677.11, 278,470.85 and 85,741.23 is: 128,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,677.11 : 278,470.85 = 85,741.23 : x
  2. Step 2: Convert to fraction form
    185,677.11/278,470.85 = 85,741.23/x
  3. Step 3: Cross multiply
    185,677.11x = 278,470.85 × 85,741.23
  4. Step 4: Simplify right side
    185,677.11x = 23,876,433,813.71
  5. Step 5: Solve for x
    x = 23,876,433,813.71/185,677.11
  6. Step 6: Final answer
    x = 128,591.15

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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.