Home / 131,367.24-197,078.54-42,613.82

Finding the Fourth Proportional to 131,367.24, 197,078.54 and 42,613.82

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Solution

The fourth proportional to 131,367.24, 197,078.54 and 42,613.82 is: 63,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,367.24 : 197,078.54 = 42,613.82 : x
  2. Step 2: Convert to fraction form
    131,367.24/197,078.54 = 42,613.82/x
  3. Step 3: Cross multiply
    131,367.24x = 197,078.54 × 42,613.82
  4. Step 4: Simplify right side
    131,367.24x = 8,398,268,230.96
  5. Step 5: Solve for x
    x = 8,398,268,230.96/131,367.24
  6. Step 6: Final answer
    x = 63,929.70

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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.