Home / 132,448.61-198,679.82-43,709.04

Finding the Fourth Proportional to 132,448.61, 198,679.82 and 43,709.04

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Solution

The fourth proportional to 132,448.61, 198,679.82 and 43,709.04 is: 65,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,448.61 : 198,679.82 = 43,709.04 : x
  2. Step 2: Convert to fraction form
    132,448.61/198,679.82 = 43,709.04/x
  3. Step 3: Cross multiply
    132,448.61x = 198,679.82 × 43,709.04
  4. Step 4: Simplify right side
    132,448.61x = 8,684,103,981.03
  5. Step 5: Solve for x
    x = 8,684,103,981.03/132,448.61
  6. Step 6: Final answer
    x = 65,565.84

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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.