Home / 151,891.20-227,861.44-57,128.80

Finding the Fourth Proportional to 151,891.20, 227,861.44 and 57,128.80

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Solution

The fourth proportional to 151,891.20, 227,861.44 and 57,128.80 is: 85,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,891.20 : 227,861.44 = 57,128.80 : x
  2. Step 2: Convert to fraction form
    151,891.20/227,861.44 = 57,128.80/x
  3. Step 3: Cross multiply
    151,891.20x = 227,861.44 × 57,128.80
  4. Step 4: Simplify right side
    151,891.20x = 13,017,450,633.47
  5. Step 5: Solve for x
    x = 13,017,450,633.47/151,891.20
  6. Step 6: Final answer
    x = 85,702.47

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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.