Home / 257,140.80-354,876.26-149,744.52

Finding the Fourth Proportional to 257,140.80, 354,876.26 and 149,744.52

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Solution

The fourth proportional to 257,140.80, 354,876.26 and 149,744.52 is: 206,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,140.80 : 354,876.26 = 149,744.52 : x
  2. Step 2: Convert to fraction form
    257,140.80/354,876.26 = 149,744.52/x
  3. Step 3: Cross multiply
    257,140.80x = 354,876.26 × 149,744.52
  4. Step 4: Simplify right side
    257,140.80x = 53,140,775,213.10
  5. Step 5: Solve for x
    x = 53,140,775,213.10/257,140.80
  6. Step 6: Final answer
    x = 206,660.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.