Home / 179,442.40-268,645.20-109,458.40

Finding the Fourth Proportional to 179,442.40, 268,645.20 and 109,458.40

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Solution

The fourth proportional to 179,442.40, 268,645.20 and 109,458.40 is: 163,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,442.40 : 268,645.20 = 109,458.40 : x
  2. Step 2: Convert to fraction form
    179,442.40/268,645.20 = 109,458.40/x
  3. Step 3: Cross multiply
    179,442.40x = 268,645.20 × 109,458.40
  4. Step 4: Simplify right side
    179,442.40x = 29,405,473,759.68
  5. Step 5: Solve for x
    x = 29,405,473,759.68/179,442.40
  6. Step 6: Final answer
    x = 163,871.38

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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.