Home / 250,142.08-375,217.92-92,289.28

Finding the Fourth Proportional to 250,142.08, 375,217.92 and 92,289.28

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Solution

The fourth proportional to 250,142.08, 375,217.92 and 92,289.28 is: 138,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,142.08 : 375,217.92 = 92,289.28 : x
  2. Step 2: Convert to fraction form
    250,142.08/375,217.92 = 92,289.28/x
  3. Step 3: Cross multiply
    250,142.08x = 375,217.92 × 92,289.28
  4. Step 4: Simplify right side
    250,142.08x = 34,628,591,679.90
  5. Step 5: Solve for x
    x = 34,628,591,679.90/250,142.08
  6. Step 6: Final answer
    x = 138,435.69

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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.