Home / 127,722.90-176,265.64-71,134.14

Finding the Fourth Proportional to 127,722.90, 176,265.64 and 71,134.14

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Solution

The fourth proportional to 127,722.90, 176,265.64 and 71,134.14 is: 98,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.90 : 176,265.64 = 71,134.14 : x
  2. Step 2: Convert to fraction form
    127,722.90/176,265.64 = 71,134.14/x
  3. Step 3: Cross multiply
    127,722.90x = 176,265.64 × 71,134.14
  4. Step 4: Simplify right side
    127,722.90x = 12,538,504,712.95
  5. Step 5: Solve for x
    x = 12,538,504,712.95/127,722.90
  6. Step 6: Final answer
    x = 98,169.59

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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.