Home / 142,414.17-213,749.66-75,909.69

Finding the Fourth Proportional to 142,414.17, 213,749.66 and 75,909.69

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Solution

The fourth proportional to 142,414.17, 213,749.66 and 75,909.69 is: 113,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,414.17 : 213,749.66 = 75,909.69 : x
  2. Step 2: Convert to fraction form
    142,414.17/213,749.66 = 75,909.69/x
  3. Step 3: Cross multiply
    142,414.17x = 213,749.66 × 75,909.69
  4. Step 4: Simplify right side
    142,414.17x = 16,225,670,048.66
  5. Step 5: Solve for x
    x = 16,225,670,048.66/142,414.17
  6. Step 6: Final answer
    x = 113,932.97

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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.