Home / 342,233.09-513,310.40-89,537.97

Finding the Fourth Proportional to 342,233.09, 513,310.40 and 89,537.97

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Solution

The fourth proportional to 342,233.09, 513,310.40 and 89,537.97 is: 134,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,233.09 : 513,310.40 = 89,537.97 : x
  2. Step 2: Convert to fraction form
    342,233.09/513,310.40 = 89,537.97/x
  3. Step 3: Cross multiply
    342,233.09x = 513,310.40 × 89,537.97
  4. Step 4: Simplify right side
    342,233.09x = 45,960,770,748.20
  5. Step 5: Solve for x
    x = 45,960,770,748.20/342,233.09
  6. Step 6: Final answer
    x = 134,296.69

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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.