Home / 112,819.14-169,233.39-93,060.90

Finding the Fourth Proportional to 112,819.14, 169,233.39 and 93,060.90

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Solution

The fourth proportional to 112,819.14, 169,233.39 and 93,060.90 is: 139,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,819.14 : 169,233.39 = 93,060.90 : x
  2. Step 2: Convert to fraction form
    112,819.14/169,233.39 = 93,060.90/x
  3. Step 3: Cross multiply
    112,819.14x = 169,233.39 × 93,060.90
  4. Step 4: Simplify right side
    112,819.14x = 15,749,011,583.45
  5. Step 5: Solve for x
    x = 15,749,011,583.45/112,819.14
  6. Step 6: Final answer
    x = 139,595.21

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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.