Home / 131,759.12-197,612.40-47,516.96

Finding the Fourth Proportional to 131,759.12, 197,612.40 and 47,516.96

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Solution

The fourth proportional to 131,759.12, 197,612.40 and 47,516.96 is: 71,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,759.12 : 197,612.40 = 47,516.96 : x
  2. Step 2: Convert to fraction form
    131,759.12/197,612.40 = 47,516.96/x
  3. Step 3: Cross multiply
    131,759.12x = 197,612.40 × 47,516.96
  4. Step 4: Simplify right side
    131,759.12x = 9,389,940,506.30
  5. Step 5: Solve for x
    x = 9,389,940,506.30/131,759.12
  6. Step 6: Final answer
    x = 71,265.96

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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.