Home / 126,380.98-174,404.66-69,791.14

Finding the Fourth Proportional to 126,380.98, 174,404.66 and 69,791.14

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Solution

The fourth proportional to 126,380.98, 174,404.66 and 69,791.14 is: 96,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,380.98 : 174,404.66 = 69,791.14 : x
  2. Step 2: Convert to fraction form
    126,380.98/174,404.66 = 69,791.14/x
  3. Step 3: Cross multiply
    126,380.98x = 174,404.66 × 69,791.14
  4. Step 4: Simplify right side
    126,380.98x = 12,171,900,042.71
  5. Step 5: Solve for x
    x = 12,171,900,042.71/126,380.98
  6. Step 6: Final answer
    x = 96,311.17

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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.