Home / 179,631.60-269,544.60-74,461.20

Finding the Fourth Proportional to 179,631.60, 269,544.60 and 74,461.20

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Solution

The fourth proportional to 179,631.60, 269,544.60 and 74,461.20 is: 111,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,631.60 : 269,544.60 = 74,461.20 : x
  2. Step 2: Convert to fraction form
    179,631.60/269,544.60 = 74,461.20/x
  3. Step 3: Cross multiply
    179,631.60x = 269,544.60 × 74,461.20
  4. Step 4: Simplify right side
    179,631.60x = 20,070,614,369.52
  5. Step 5: Solve for x
    x = 20,070,614,369.52/179,631.60
  6. Step 6: Final answer
    x = 111,732.09

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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.