Home / 327,240.47-490,861.38-90,583.85

Finding the Fourth Proportional to 327,240.47, 490,861.38 and 90,583.85

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Solution

The fourth proportional to 327,240.47, 490,861.38 and 90,583.85 is: 135,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,240.47 : 490,861.38 = 90,583.85 : x
  2. Step 2: Convert to fraction form
    327,240.47/490,861.38 = 90,583.85/x
  3. Step 3: Cross multiply
    327,240.47x = 490,861.38 × 90,583.85
  4. Step 4: Simplify right side
    327,240.47x = 44,464,113,616.71
  5. Step 5: Solve for x
    x = 44,464,113,616.71/327,240.47
  6. Step 6: Final answer
    x = 135,875.96

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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.