Home / 112,363.20-168,262.92-101,711.70

Finding the Fourth Proportional to 112,363.20, 168,262.92 and 101,711.70

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Solution

The fourth proportional to 112,363.20, 168,262.92 and 101,711.70 is: 152,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,363.20 : 168,262.92 = 101,711.70 : x
  2. Step 2: Convert to fraction form
    112,363.20/168,262.92 = 101,711.70/x
  3. Step 3: Cross multiply
    112,363.20x = 168,262.92 × 101,711.70
  4. Step 4: Simplify right side
    112,363.20x = 17,114,307,640.16
  5. Step 5: Solve for x
    x = 17,114,307,640.16/112,363.20
  6. Step 6: Final answer
    x = 152,312.39

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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.