Home / 432,864.04-649,365.90-133,344.60

Finding the Fourth Proportional to 432,864.04, 649,365.90 and 133,344.60

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Solution

The fourth proportional to 432,864.04, 649,365.90 and 133,344.60 is: 200,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,864.04 : 649,365.90 = 133,344.60 : x
  2. Step 2: Convert to fraction form
    432,864.04/649,365.90 = 133,344.60/x
  3. Step 3: Cross multiply
    432,864.04x = 649,365.90 × 133,344.60
  4. Step 4: Simplify right side
    432,864.04x = 86,589,436,189.14
  5. Step 5: Solve for x
    x = 86,589,436,189.14/432,864.04
  6. Step 6: Final answer
    x = 200,038.41

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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.