Home / 127,269.60-175,651.20-91,577.76

Finding the Fourth Proportional to 127,269.60, 175,651.20 and 91,577.76

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Solution

The fourth proportional to 127,269.60, 175,651.20 and 91,577.76 is: 126,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,269.60 : 175,651.20 = 91,577.76 : x
  2. Step 2: Convert to fraction form
    127,269.60/175,651.20 = 91,577.76/x
  3. Step 3: Cross multiply
    127,269.60x = 175,651.20 × 91,577.76
  4. Step 4: Simplify right side
    127,269.60x = 16,085,743,437.31
  5. Step 5: Solve for x
    x = 16,085,743,437.31/127,269.60
  6. Step 6: Final answer
    x = 126,391.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.