Home / 185,545.44-278,318.97-78,901.92

Finding the Fourth Proportional to 185,545.44, 278,318.97 and 78,901.92

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Solution

The fourth proportional to 185,545.44, 278,318.97 and 78,901.92 is: 118,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,545.44 : 278,318.97 = 78,901.92 : x
  2. Step 2: Convert to fraction form
    185,545.44/278,318.97 = 78,901.92/x
  3. Step 3: Cross multiply
    185,545.44x = 278,318.97 × 78,901.92
  4. Step 4: Simplify right side
    185,545.44x = 21,959,901,105.42
  5. Step 5: Solve for x
    x = 21,959,901,105.42/185,545.44
  6. Step 6: Final answer
    x = 118,353.22

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1.5x scale

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.