Home / 113,816.76-170,586.90-80,546.58

Finding the Fourth Proportional to 113,816.76, 170,586.90 and 80,546.58

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Solution

The fourth proportional to 113,816.76, 170,586.90 and 80,546.58 is: 120,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.76 : 170,586.90 = 80,546.58 : x
  2. Step 2: Convert to fraction form
    113,816.76/170,586.90 = 80,546.58/x
  3. Step 3: Cross multiply
    113,816.76x = 170,586.90 × 80,546.58
  4. Step 4: Simplify right side
    113,816.76x = 13,740,191,387.80
  5. Step 5: Solve for x
    x = 13,740,191,387.80/113,816.76
  6. Step 6: Final answer
    x = 120,722.04

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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.