Home / 132,612.57-198,930.65-37,840.95

Finding the Fourth Proportional to 132,612.57, 198,930.65 and 37,840.95

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Solution

The fourth proportional to 132,612.57, 198,930.65 and 37,840.95 is: 56,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,612.57 : 198,930.65 = 37,840.95 : x
  2. Step 2: Convert to fraction form
    132,612.57/198,930.65 = 37,840.95/x
  3. Step 3: Cross multiply
    132,612.57x = 198,930.65 × 37,840.95
  4. Step 4: Simplify right side
    132,612.57x = 7,527,724,590.91
  5. Step 5: Solve for x
    x = 7,527,724,590.91/132,612.57
  6. Step 6: Final answer
    x = 56,764.79

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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.