Home / 132,072.13-198,108.20-61,951.45

Finding the Fourth Proportional to 132,072.13, 198,108.20 and 61,951.45

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Solution

The fourth proportional to 132,072.13, 198,108.20 and 61,951.45 is: 92,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,072.13 : 198,108.20 = 61,951.45 : x
  2. Step 2: Convert to fraction form
    132,072.13/198,108.20 = 61,951.45/x
  3. Step 3: Cross multiply
    132,072.13x = 198,108.20 × 61,951.45
  4. Step 4: Simplify right side
    132,072.13x = 12,273,090,246.89
  5. Step 5: Solve for x
    x = 12,273,090,246.89/132,072.13
  6. Step 6: Final answer
    x = 92,927.18

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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.