Home / 179,628.60-269,442.90-108,769.80

Finding the Fourth Proportional to 179,628.60, 269,442.90 and 108,769.80

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Solution

The fourth proportional to 179,628.60, 269,442.90 and 108,769.80 is: 163,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,628.60 : 269,442.90 = 108,769.80 : x
  2. Step 2: Convert to fraction form
    179,628.60/269,442.90 = 108,769.80/x
  3. Step 3: Cross multiply
    179,628.60x = 269,442.90 × 108,769.80
  4. Step 4: Simplify right side
    179,628.60x = 29,307,250,344.42
  5. Step 5: Solve for x
    x = 29,307,250,344.42/179,628.60
  6. Step 6: Final answer
    x = 163,154.70

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1.5x scale

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.