Home / 122,234.27-168,683.04-74,487.87

Finding the Fourth Proportional to 122,234.27, 168,683.04 and 74,487.87

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Solution

The fourth proportional to 122,234.27, 168,683.04 and 74,487.87 is: 102,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,234.27 : 168,683.04 = 74,487.87 : x
  2. Step 2: Convert to fraction form
    122,234.27/168,683.04 = 74,487.87/x
  3. Step 3: Cross multiply
    122,234.27x = 168,683.04 × 74,487.87
  4. Step 4: Simplify right side
    122,234.27x = 12,564,840,354.72
  5. Step 5: Solve for x
    x = 12,564,840,354.72/122,234.27
  6. Step 6: Final answer
    x = 102,793.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.