Home / 132,505.04-198,806.16-61,461.56

Finding the Fourth Proportional to 132,505.04, 198,806.16 and 61,461.56

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Solution

The fourth proportional to 132,505.04, 198,806.16 and 61,461.56 is: 92,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,505.04 : 198,806.16 = 61,461.56 : x
  2. Step 2: Convert to fraction form
    132,505.04/198,806.16 = 61,461.56/x
  3. Step 3: Cross multiply
    132,505.04x = 198,806.16 × 61,461.56
  4. Step 4: Simplify right side
    132,505.04x = 12,218,936,731.21
  5. Step 5: Solve for x
    x = 12,218,936,731.21/132,505.04
  6. Step 6: Final answer
    x = 92,214.88

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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.