Home / 131,565.24-197,358.12-47,336.40

Finding the Fourth Proportional to 131,565.24, 197,358.12 and 47,336.40

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Solution

The fourth proportional to 131,565.24, 197,358.12 and 47,336.40 is: 71,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,565.24 : 197,358.12 = 47,336.40 : x
  2. Step 2: Convert to fraction form
    131,565.24/197,358.12 = 47,336.40/x
  3. Step 3: Cross multiply
    131,565.24x = 197,358.12 × 47,336.40
  4. Step 4: Simplify right side
    131,565.24x = 9,342,222,911.57
  5. Step 5: Solve for x
    x = 9,342,222,911.57/131,565.24
  6. Step 6: Final answer
    x = 71,008.29

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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.