Home / 112,186.92-154,819.68-61,885.92

Finding the Fourth Proportional to 112,186.92, 154,819.68 and 61,885.92

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Solution

The fourth proportional to 112,186.92, 154,819.68 and 61,885.92 is: 85,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,186.92 : 154,819.68 = 61,885.92 : x
  2. Step 2: Convert to fraction form
    112,186.92/154,819.68 = 61,885.92/x
  3. Step 3: Cross multiply
    112,186.92x = 154,819.68 × 61,885.92
  4. Step 4: Simplify right side
    112,186.92x = 9,581,158,330.91
  5. Step 5: Solve for x
    x = 9,581,158,330.91/112,186.92
  6. Step 6: Final answer
    x = 85,403.52

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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.