Home / 126,929.16-190,375.14-33,434.76

Finding the Fourth Proportional to 126,929.16, 190,375.14 and 33,434.76

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Solution

The fourth proportional to 126,929.16, 190,375.14 and 33,434.76 is: 50,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.16 : 190,375.14 = 33,434.76 : x
  2. Step 2: Convert to fraction form
    126,929.16/190,375.14 = 33,434.76/x
  3. Step 3: Cross multiply
    126,929.16x = 190,375.14 × 33,434.76
  4. Step 4: Simplify right side
    126,929.16x = 6,365,147,115.87
  5. Step 5: Solve for x
    x = 6,365,147,115.87/126,929.16
  6. Step 6: Final answer
    x = 50,147.24

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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.