Home / 127,546.60-191,340.15-43,314.70

Finding the Fourth Proportional to 127,546.60, 191,340.15 and 43,314.70

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Solution

The fourth proportional to 127,546.60, 191,340.15 and 43,314.70 is: 64,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,546.60 : 191,340.15 = 43,314.70 : x
  2. Step 2: Convert to fraction form
    127,546.60/191,340.15 = 43,314.70/x
  3. Step 3: Cross multiply
    127,546.60x = 191,340.15 × 43,314.70
  4. Step 4: Simplify right side
    127,546.60x = 8,287,841,195.21
  5. Step 5: Solve for x
    x = 8,287,841,195.21/127,546.60
  6. Step 6: Final answer
    x = 64,978.93

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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.