Home / 347,850.90-521,472.60-134,764.20

Finding the Fourth Proportional to 347,850.90, 521,472.60 and 134,764.20

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Solution

The fourth proportional to 347,850.90, 521,472.60 and 134,764.20 is: 202,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,850.90 : 521,472.60 = 134,764.20 : x
  2. Step 2: Convert to fraction form
    347,850.90/521,472.60 = 134,764.20/x
  3. Step 3: Cross multiply
    347,850.90x = 521,472.60 × 134,764.20
  4. Step 4: Simplify right side
    347,850.90x = 70,275,837,760.92
  5. Step 5: Solve for x
    x = 70,275,837,760.92/347,850.90
  6. Step 6: Final answer
    x = 202,028.62

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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.