Home / 142,418.92-213,626.04-58,160.56

Finding the Fourth Proportional to 142,418.92, 213,626.04 and 58,160.56

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Solution

The fourth proportional to 142,418.92, 213,626.04 and 58,160.56 is: 87,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,418.92 : 213,626.04 = 58,160.56 : x
  2. Step 2: Convert to fraction form
    142,418.92/213,626.04 = 58,160.56/x
  3. Step 3: Cross multiply
    142,418.92x = 213,626.04 × 58,160.56
  4. Step 4: Simplify right side
    142,418.92x = 12,424,610,116.98
  5. Step 5: Solve for x
    x = 12,424,610,116.98/142,418.92
  6. Step 6: Final answer
    x = 87,239.88

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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.