Home / 127,650.60-191,562.30-57,493.80

Finding the Fourth Proportional to 127,650.60, 191,562.30 and 57,493.80

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Solution

The fourth proportional to 127,650.60, 191,562.30 and 57,493.80 is: 86,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650.60 : 191,562.30 = 57,493.80 : x
  2. Step 2: Convert to fraction form
    127,650.60/191,562.30 = 57,493.80/x
  3. Step 3: Cross multiply
    127,650.60x = 191,562.30 × 57,493.80
  4. Step 4: Simplify right side
    127,650.60x = 11,013,644,563.74
  5. Step 5: Solve for x
    x = 11,013,644,563.74/127,650.60
  6. Step 6: Final answer
    x = 86,279.61

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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.