Home / 113,660.46-156,845.25-65,264.85

Finding the Fourth Proportional to 113,660.46, 156,845.25 and 65,264.85

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Solution

The fourth proportional to 113,660.46, 156,845.25 and 65,264.85 is: 90,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,660.46 : 156,845.25 = 65,264.85 : x
  2. Step 2: Convert to fraction form
    113,660.46/156,845.25 = 65,264.85/x
  3. Step 3: Cross multiply
    113,660.46x = 156,845.25 × 65,264.85
  4. Step 4: Simplify right side
    113,660.46x = 10,236,481,714.46
  5. Step 5: Solve for x
    x = 10,236,481,714.46/113,660.46
  6. Step 6: Final answer
    x = 90,061.94

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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.