Home / 193,177.98-266,715.05-120,691.22

Finding the Fourth Proportional to 193,177.98, 266,715.05 and 120,691.22

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Solution

The fourth proportional to 193,177.98, 266,715.05 and 120,691.22 is: 166,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,177.98 : 266,715.05 = 120,691.22 : x
  2. Step 2: Convert to fraction form
    193,177.98/266,715.05 = 120,691.22/x
  3. Step 3: Cross multiply
    193,177.98x = 266,715.05 × 120,691.22
  4. Step 4: Simplify right side
    193,177.98x = 32,190,162,839.83
  5. Step 5: Solve for x
    x = 32,190,162,839.83/193,177.98
  6. Step 6: Final answer
    x = 166,634.74

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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.