Home / 113,738.44-156,908.30-65,964.12

Finding the Fourth Proportional to 113,738.44, 156,908.30 and 65,964.12

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Solution

The fourth proportional to 113,738.44, 156,908.30 and 65,964.12 is: 91,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,738.44 : 156,908.30 = 65,964.12 : x
  2. Step 2: Convert to fraction form
    113,738.44/156,908.30 = 65,964.12/x
  3. Step 3: Cross multiply
    113,738.44x = 156,908.30 × 65,964.12
  4. Step 4: Simplify right side
    113,738.44x = 10,350,317,930.20
  5. Step 5: Solve for x
    x = 10,350,317,930.20/113,738.44
  6. Step 6: Final answer
    x = 91,001.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.