Home / 132,489.06-198,540.36-61,433.46

Finding the Fourth Proportional to 132,489.06, 198,540.36 and 61,433.46

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Solution

The fourth proportional to 132,489.06, 198,540.36 and 61,433.46 is: 92,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,489.06 : 198,540.36 = 61,433.46 : x
  2. Step 2: Convert to fraction form
    132,489.06/198,540.36 = 61,433.46/x
  3. Step 3: Cross multiply
    132,489.06x = 198,540.36 × 61,433.46
  4. Step 4: Simplify right side
    132,489.06x = 12,197,021,264.45
  5. Step 5: Solve for x
    x = 12,197,021,264.45/132,489.06
  6. Step 6: Final answer
    x = 92,060.59

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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.