Home / 129,878.16-194,818.41-41,132.10

Finding the Fourth Proportional to 129,878.16, 194,818.41 and 41,132.10

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Solution

The fourth proportional to 129,878.16, 194,818.41 and 41,132.10 is: 61,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,878.16 : 194,818.41 = 41,132.10 : x
  2. Step 2: Convert to fraction form
    129,878.16/194,818.41 = 41,132.10/x
  3. Step 3: Cross multiply
    129,878.16x = 194,818.41 × 41,132.10
  4. Step 4: Simplify right side
    129,878.16x = 8,013,290,321.96
  5. Step 5: Solve for x
    x = 8,013,290,321.96/129,878.16
  6. Step 6: Final answer
    x = 61,698.52

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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.