Home / 432,079.39-648,150.22-165,839.90

Finding the Fourth Proportional to 432,079.39, 648,150.22 and 165,839.90

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Solution

The fourth proportional to 432,079.39, 648,150.22 and 165,839.90 is: 248,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,079.39 : 648,150.22 = 165,839.90 : x
  2. Step 2: Convert to fraction form
    432,079.39/648,150.22 = 165,839.90/x
  3. Step 3: Cross multiply
    432,079.39x = 648,150.22 × 165,839.90
  4. Step 4: Simplify right side
    432,079.39x = 107,489,167,669.78
  5. Step 5: Solve for x
    x = 107,489,167,669.78/432,079.39
  6. Step 6: Final answer
    x = 248,771.80

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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.