Home / 113,414.20-170,186.10-43,343.80

Finding the Fourth Proportional to 113,414.20, 170,186.10 and 43,343.80

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Solution

The fourth proportional to 113,414.20, 170,186.10 and 43,343.80 is: 65,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,414.20 : 170,186.10 = 43,343.80 : x
  2. Step 2: Convert to fraction form
    113,414.20/170,186.10 = 43,343.80/x
  3. Step 3: Cross multiply
    113,414.20x = 170,186.10 × 43,343.80
  4. Step 4: Simplify right side
    113,414.20x = 7,376,512,281.18
  5. Step 5: Solve for x
    x = 7,376,512,281.18/113,414.20
  6. Step 6: Final answer
    x = 65,040.46

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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.