Home / 342,629.88-514,049.93-153,249.66

Finding the Fourth Proportional to 342,629.88, 514,049.93 and 153,249.66

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Solution

The fourth proportional to 342,629.88, 514,049.93 and 153,249.66 is: 229,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,629.88 : 514,049.93 = 153,249.66 : x
  2. Step 2: Convert to fraction form
    342,629.88/514,049.93 = 153,249.66/x
  3. Step 3: Cross multiply
    342,629.88x = 514,049.93 × 153,249.66
  4. Step 4: Simplify right side
    342,629.88x = 78,777,976,229.28
  5. Step 5: Solve for x
    x = 78,777,976,229.28/342,629.88
  6. Step 6: Final answer
    x = 229,921.50

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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.