Home / 179,256.60-268,982.10-74,086.20

Finding the Fourth Proportional to 179,256.60, 268,982.10 and 74,086.20

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Solution

The fourth proportional to 179,256.60, 268,982.10 and 74,086.20 is: 111,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,256.60 : 268,982.10 = 74,086.20 : x
  2. Step 2: Convert to fraction form
    179,256.60/268,982.10 = 74,086.20/x
  3. Step 3: Cross multiply
    179,256.60x = 268,982.10 × 74,086.20
  4. Step 4: Simplify right side
    179,256.60x = 19,927,861,657.02
  5. Step 5: Solve for x
    x = 19,927,861,657.02/179,256.60
  6. Step 6: Final answer
    x = 111,169.47

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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.