Home / 185,524.62-278,264.22-78,951.42

Finding the Fourth Proportional to 185,524.62, 278,264.22 and 78,951.42

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Solution

The fourth proportional to 185,524.62, 278,264.22 and 78,951.42 is: 118,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,524.62 : 278,264.22 = 78,951.42 : x
  2. Step 2: Convert to fraction form
    185,524.62/278,264.22 = 78,951.42/x
  3. Step 3: Cross multiply
    185,524.62x = 278,264.22 × 78,951.42
  4. Step 4: Simplify right side
    185,524.62x = 21,969,355,304.19
  5. Step 5: Solve for x
    x = 21,969,355,304.19/185,524.62
  6. Step 6: Final answer
    x = 118,417.47

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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.