Home / 113,371.91-156,517.76-75,183.01

Finding the Fourth Proportional to 113,371.91, 156,517.76 and 75,183.01

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Solution

The fourth proportional to 113,371.91, 156,517.76 and 75,183.01 is: 103,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,371.91 : 156,517.76 = 75,183.01 : x
  2. Step 2: Convert to fraction form
    113,371.91/156,517.76 = 75,183.01/x
  3. Step 3: Cross multiply
    113,371.91x = 156,517.76 × 75,183.01
  4. Step 4: Simplify right side
    113,371.91x = 11,767,476,073.24
  5. Step 5: Solve for x
    x = 11,767,476,073.24/113,371.91
  6. Step 6: Final answer
    x = 103,795.35

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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.