Home / 295,887.10-443,320.35-137,791.30

Finding the Fourth Proportional to 295,887.10, 443,320.35 and 137,791.30

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Solution

The fourth proportional to 295,887.10, 443,320.35 and 137,791.30 is: 206,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,887.10 : 443,320.35 = 137,791.30 : x
  2. Step 2: Convert to fraction form
    295,887.10/443,320.35 = 137,791.30/x
  3. Step 3: Cross multiply
    295,887.10x = 443,320.35 × 137,791.30
  4. Step 4: Simplify right side
    295,887.10x = 61,085,687,342.96
  5. Step 5: Solve for x
    x = 61,085,687,342.96/295,887.10
  6. Step 6: Final answer
    x = 206,449.31

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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.