Home / 189,885.20-284,996.76-101,211.92

Finding the Fourth Proportional to 189,885.20, 284,996.76 and 101,211.92

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Solution

The fourth proportional to 189,885.20, 284,996.76 and 101,211.92 is: 151,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,885.20 : 284,996.76 = 101,211.92 : x
  2. Step 2: Convert to fraction form
    189,885.20/284,996.76 = 101,211.92/x
  3. Step 3: Cross multiply
    189,885.20x = 284,996.76 × 101,211.92
  4. Step 4: Simplify right side
    189,885.20x = 28,845,069,273.38
  5. Step 5: Solve for x
    x = 28,845,069,273.38/189,885.20
  6. Step 6: Final answer
    x = 151,907.94

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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.