Home / 342,115.02-513,193.62-131,753.16

Finding the Fourth Proportional to 342,115.02, 513,193.62 and 131,753.16

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Solution

The fourth proportional to 342,115.02, 513,193.62 and 131,753.16 is: 197,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,115.02 : 513,193.62 = 131,753.16 : x
  2. Step 2: Convert to fraction form
    342,115.02/513,193.62 = 131,753.16/x
  3. Step 3: Cross multiply
    342,115.02x = 513,193.62 × 131,753.16
  4. Step 4: Simplify right side
    342,115.02x = 67,614,881,126.84
  5. Step 5: Solve for x
    x = 67,614,881,126.84/342,115.02
  6. Step 6: Final answer
    x = 197,637.86

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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.