Home / 453,012.23-679,522.43-137,469.13

Finding the Fourth Proportional to 453,012.23, 679,522.43 and 137,469.13

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Solution

The fourth proportional to 453,012.23, 679,522.43 and 137,469.13 is: 206,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,012.23 : 679,522.43 = 137,469.13 : x
  2. Step 2: Convert to fraction form
    453,012.23/679,522.43 = 137,469.13/x
  3. Step 3: Cross multiply
    453,012.23x = 679,522.43 × 137,469.13
  4. Step 4: Simplify right side
    453,012.23x = 93,413,359,734.77
  5. Step 5: Solve for x
    x = 93,413,359,734.77/453,012.23
  6. Step 6: Final answer
    x = 206,204.94

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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.