Home / 151,248.20-226,872.30-127,628.60

Finding the Fourth Proportional to 151,248.20, 226,872.30 and 127,628.60

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Solution

The fourth proportional to 151,248.20, 226,872.30 and 127,628.60 is: 191,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,248.20 : 226,872.30 = 127,628.60 : x
  2. Step 2: Convert to fraction form
    151,248.20/226,872.30 = 127,628.60/x
  3. Step 3: Cross multiply
    151,248.20x = 226,872.30 × 127,628.60
  4. Step 4: Simplify right side
    151,248.20x = 28,955,394,027.78
  5. Step 5: Solve for x
    x = 28,955,394,027.78/151,248.20
  6. Step 6: Final answer
    x = 191,442.90

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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.