Home / 433,013.03-649,579.67-133,517.15

Finding the Fourth Proportional to 433,013.03, 649,579.67 and 133,517.15

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Solution

The fourth proportional to 433,013.03, 649,579.67 and 133,517.15 is: 200,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,013.03 : 649,579.67 = 133,517.15 : x
  2. Step 2: Convert to fraction form
    433,013.03/649,579.67 = 133,517.15/x
  3. Step 3: Cross multiply
    433,013.03x = 649,579.67 × 133,517.15
  4. Step 4: Simplify right side
    433,013.03x = 86,730,023,322.24
  5. Step 5: Solve for x
    x = 86,730,023,322.24/433,013.03
  6. Step 6: Final answer
    x = 200,294.26

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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.