Home / 129,908.57-194,868.30-41,160.11

Finding the Fourth Proportional to 129,908.57, 194,868.30 and 41,160.11

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Solution

The fourth proportional to 129,908.57, 194,868.30 and 41,160.11 is: 61,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,908.57 : 194,868.30 = 41,160.11 : x
  2. Step 2: Convert to fraction form
    129,908.57/194,868.30 = 41,160.11/x
  3. Step 3: Cross multiply
    129,908.57x = 194,868.30 × 41,160.11
  4. Step 4: Simplify right side
    129,908.57x = 8,020,799,689.17
  5. Step 5: Solve for x
    x = 8,020,799,689.17/129,908.57
  6. Step 6: Final answer
    x = 61,741.89

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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.