Home / 132,416.13-198,358.26-61,239

Finding the Fourth Proportional to 132,416.13, 198,358.26 and 61,239

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Solution

The fourth proportional to 132,416.13, 198,358.26 and 61,239 is: 91,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416.13 : 198,358.26 = 61,239 : x
  2. Step 2: Convert to fraction form
    132,416.13/198,358.26 = 61,239/x
  3. Step 3: Cross multiply
    132,416.13x = 198,358.26 × 61,239
  4. Step 4: Simplify right side
    132,416.13x = 12,147,261,484.14
  5. Step 5: Solve for x
    x = 12,147,261,484.14/132,416.13
  6. Step 6: Final answer
    x = 91,735.51

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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.