Home / 327,443.94-491,166.05-147,319.04

Finding the Fourth Proportional to 327,443.94, 491,166.05 and 147,319.04

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Solution

The fourth proportional to 327,443.94, 491,166.05 and 147,319.04 is: 220,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,443.94 : 491,166.05 = 147,319.04 : x
  2. Step 2: Convert to fraction form
    327,443.94/491,166.05 = 147,319.04/x
  3. Step 3: Cross multiply
    327,443.94x = 491,166.05 × 147,319.04
  4. Step 4: Simplify right side
    327,443.94x = 72,358,111,457.91
  5. Step 5: Solve for x
    x = 72,358,111,457.91/327,443.94
  6. Step 6: Final answer
    x = 220,978.62

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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.