Home / 449,629.76-674,489.96-146,011.18

Finding the Fourth Proportional to 449,629.76, 674,489.96 and 146,011.18

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Solution

The fourth proportional to 449,629.76, 674,489.96 and 146,011.18 is: 219,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,629.76 : 674,489.96 = 146,011.18 : x
  2. Step 2: Convert to fraction form
    449,629.76/674,489.96 = 146,011.18/x
  3. Step 3: Cross multiply
    449,629.76x = 674,489.96 × 146,011.18
  4. Step 4: Simplify right side
    449,629.76x = 98,483,074,957.75
  5. Step 5: Solve for x
    x = 98,483,074,957.75/449,629.76
  6. Step 6: Final answer
    x = 219,031.49

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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.