Home / 424,949.20-637,360.62-158,676.28

Finding the Fourth Proportional to 424,949.20, 637,360.62 and 158,676.28

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Solution

The fourth proportional to 424,949.20, 637,360.62 and 158,676.28 is: 237,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,949.20 : 637,360.62 = 158,676.28 : x
  2. Step 2: Convert to fraction form
    424,949.20/637,360.62 = 158,676.28/x
  3. Step 3: Cross multiply
    424,949.20x = 637,360.62 × 158,676.28
  4. Step 4: Simplify right side
    424,949.20x = 101,134,012,200.09
  5. Step 5: Solve for x
    x = 101,134,012,200.09/424,949.20
  6. Step 6: Final answer
    x = 237,990.83

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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.