Home / 156,397.18-234,620.08-51,191.96

Finding the Fourth Proportional to 156,397.18, 234,620.08 and 51,191.96

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Solution

The fourth proportional to 156,397.18, 234,620.08 and 51,191.96 is: 76,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,397.18 : 234,620.08 = 51,191.96 : x
  2. Step 2: Convert to fraction form
    156,397.18/234,620.08 = 51,191.96/x
  3. Step 3: Cross multiply
    156,397.18x = 234,620.08 × 51,191.96
  4. Step 4: Simplify right side
    156,397.18x = 12,010,661,750.56
  5. Step 5: Solve for x
    x = 12,010,661,750.56/156,397.18
  6. Step 6: Final answer
    x = 76,795.90

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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.