Home / 179,633.60-269,450.40-113,148.80

Finding the Fourth Proportional to 179,633.60, 269,450.40 and 113,148.80

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Solution

The fourth proportional to 179,633.60, 269,450.40 and 113,148.80 is: 169,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,633.60 : 269,450.40 = 113,148.80 : x
  2. Step 2: Convert to fraction form
    179,633.60/269,450.40 = 113,148.80/x
  3. Step 3: Cross multiply
    179,633.60x = 269,450.40 × 113,148.80
  4. Step 4: Simplify right side
    179,633.60x = 30,487,989,419.52
  5. Step 5: Solve for x
    x = 30,487,989,419.52/179,633.60
  6. Step 6: Final answer
    x = 169,723.20

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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.