Home / 342,229.24-513,304.64-89,534.12

Finding the Fourth Proportional to 342,229.24, 513,304.64 and 89,534.12

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Solution

The fourth proportional to 342,229.24, 513,304.64 and 89,534.12 is: 134,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,229.24 : 513,304.64 = 89,534.12 : x
  2. Step 2: Convert to fraction form
    342,229.24/513,304.64 = 89,534.12/x
  3. Step 3: Cross multiply
    342,229.24x = 513,304.64 × 89,534.12
  4. Step 4: Simplify right side
    342,229.24x = 45,958,276,220.12
  5. Step 5: Solve for x
    x = 45,958,276,220.12/342,229.24
  6. Step 6: Final answer
    x = 134,290.91

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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.