Home / 432,836.93-649,325.16-133,317.37

Finding the Fourth Proportional to 432,836.93, 649,325.16 and 133,317.37

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Solution

The fourth proportional to 432,836.93, 649,325.16 and 133,317.37 is: 199,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,836.93 : 649,325.16 = 133,317.37 : x
  2. Step 2: Convert to fraction form
    432,836.93/649,325.16 = 133,317.37/x
  3. Step 3: Cross multiply
    432,836.93x = 649,325.16 × 133,317.37
  4. Step 4: Simplify right side
    432,836.93x = 86,566,318,692.82
  5. Step 5: Solve for x
    x = 86,566,318,692.82/432,836.93
  6. Step 6: Final answer
    x = 199,997.54

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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.