Home / 174,147.64-261,221.28-47,789.28

Finding the Fourth Proportional to 174,147.64, 261,221.28 and 47,789.28

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Solution

The fourth proportional to 174,147.64, 261,221.28 and 47,789.28 is: 71,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,147.64 : 261,221.28 = 47,789.28 : x
  2. Step 2: Convert to fraction form
    174,147.64/261,221.28 = 47,789.28/x
  3. Step 3: Cross multiply
    174,147.64x = 261,221.28 × 47,789.28
  4. Step 4: Simplify right side
    174,147.64x = 12,483,576,891.88
  5. Step 5: Solve for x
    x = 12,483,576,891.88/174,147.64
  6. Step 6: Final answer
    x = 71,683.87

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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.