Home / 132,101.16-198,166.76-47,900.96

Finding the Fourth Proportional to 132,101.16, 198,166.76 and 47,900.96

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Solution

The fourth proportional to 132,101.16, 198,166.76 and 47,900.96 is: 71,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101.16 : 198,166.76 = 47,900.96 : x
  2. Step 2: Convert to fraction form
    132,101.16/198,166.76 = 47,900.96/x
  3. Step 3: Cross multiply
    132,101.16x = 198,166.76 × 47,900.96
  4. Step 4: Simplify right side
    132,101.16x = 9,492,378,044.09
  5. Step 5: Solve for x
    x = 9,492,378,044.09/132,101.16
  6. Step 6: Final answer
    x = 71,856.89

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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.