Home / 379,110.17-568,475.08-126,301.75

Finding the Fourth Proportional to 379,110.17, 568,475.08 and 126,301.75

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Solution

The fourth proportional to 379,110.17, 568,475.08 and 126,301.75 is: 189,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,110.17 : 568,475.08 = 126,301.75 : x
  2. Step 2: Convert to fraction form
    379,110.17/568,475.08 = 126,301.75/x
  3. Step 3: Cross multiply
    379,110.17x = 568,475.08 × 126,301.75
  4. Step 4: Simplify right side
    379,110.17x = 71,799,395,698.45
  5. Step 5: Solve for x
    x = 71,799,395,698.45/379,110.17
  6. Step 6: Final answer
    x = 189,389.26

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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.