Home / 432,837.43-649,325.91-133,317.87

Finding the Fourth Proportional to 432,837.43, 649,325.91 and 133,317.87

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Solution

The fourth proportional to 432,837.43, 649,325.91 and 133,317.87 is: 199,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,837.43 : 649,325.91 = 133,317.87 : x
  2. Step 2: Convert to fraction form
    432,837.43/649,325.91 = 133,317.87/x
  3. Step 3: Cross multiply
    432,837.43x = 649,325.91 × 133,317.87
  4. Step 4: Simplify right side
    432,837.43x = 86,566,747,257.01
  5. Step 5: Solve for x
    x = 86,566,747,257.01/432,837.43
  6. Step 6: Final answer
    x = 199,998.29

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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.