Home / 126,996.24-190,375.13-42,697.47

Finding the Fourth Proportional to 126,996.24, 190,375.13 and 42,697.47

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Solution

The fourth proportional to 126,996.24, 190,375.13 and 42,697.47 is: 64,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,996.24 : 190,375.13 = 42,697.47 : x
  2. Step 2: Convert to fraction form
    126,996.24/190,375.13 = 42,697.47/x
  3. Step 3: Cross multiply
    126,996.24x = 190,375.13 × 42,697.47
  4. Step 4: Simplify right side
    126,996.24x = 8,128,536,401.92
  5. Step 5: Solve for x
    x = 8,128,536,401.92/126,996.24
  6. Step 6: Final answer
    x = 64,006.12

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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.