Home / 198,125.27-273,412.86-113,244.15

Finding the Fourth Proportional to 198,125.27, 273,412.86 and 113,244.15

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Solution

The fourth proportional to 198,125.27, 273,412.86 and 113,244.15 is: 156,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,125.27 : 273,412.86 = 113,244.15 : x
  2. Step 2: Convert to fraction form
    198,125.27/273,412.86 = 113,244.15/x
  3. Step 3: Cross multiply
    198,125.27x = 273,412.86 × 113,244.15
  4. Step 4: Simplify right side
    198,125.27x = 30,962,406,929.77
  5. Step 5: Solve for x
    x = 30,962,406,929.77/198,125.27
  6. Step 6: Final answer
    x = 156,276.92

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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.