Home / 113,775.60-170,524.98-80,505.24

Finding the Fourth Proportional to 113,775.60, 170,524.98 and 80,505.24

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Solution

The fourth proportional to 113,775.60, 170,524.98 and 80,505.24 is: 120,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,775.60 : 170,524.98 = 80,505.24 : x
  2. Step 2: Convert to fraction form
    113,775.60/170,524.98 = 80,505.24/x
  3. Step 3: Cross multiply
    113,775.60x = 170,524.98 × 80,505.24
  4. Step 4: Simplify right side
    113,775.60x = 13,728,154,440.90
  5. Step 5: Solve for x
    x = 13,728,154,440.90/113,775.60
  6. Step 6: Final answer
    x = 120,659.92

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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.