Home / 449,433.90-674,153.46-149,913.72

Finding the Fourth Proportional to 449,433.90, 674,153.46 and 149,913.72

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Solution

The fourth proportional to 449,433.90, 674,153.46 and 149,913.72 is: 224,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,433.90 : 674,153.46 = 149,913.72 : x
  2. Step 2: Convert to fraction form
    449,433.90/674,153.46 = 149,913.72/x
  3. Step 3: Cross multiply
    449,433.90x = 674,153.46 × 149,913.72
  4. Step 4: Simplify right side
    449,433.90x = 101,064,853,039.47
  5. Step 5: Solve for x
    x = 101,064,853,039.47/449,433.90
  6. Step 6: Final answer
    x = 224,871.45

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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.