Home / 198,587.83-273,941.17-125,857.15

Finding the Fourth Proportional to 198,587.83, 273,941.17 and 125,857.15

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Solution

The fourth proportional to 198,587.83, 273,941.17 and 125,857.15 is: 173,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,587.83 : 273,941.17 = 125,857.15 : x
  2. Step 2: Convert to fraction form
    198,587.83/273,941.17 = 125,857.15/x
  3. Step 3: Cross multiply
    198,587.83x = 273,941.17 × 125,857.15
  4. Step 4: Simplify right side
    198,587.83x = 34,477,454,923.87
  5. Step 5: Solve for x
    x = 34,477,454,923.87/198,587.83
  6. Step 6: Final answer
    x = 173,613.13

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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.