Home / 272,925.75-409,332.24-73,198.66

Finding the Fourth Proportional to 272,925.75, 409,332.24 and 73,198.66

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Solution

The fourth proportional to 272,925.75, 409,332.24 and 73,198.66 is: 109,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,925.75 : 409,332.24 = 73,198.66 : x
  2. Step 2: Convert to fraction form
    272,925.75/409,332.24 = 73,198.66/x
  3. Step 3: Cross multiply
    272,925.75x = 409,332.24 × 73,198.66
  4. Step 4: Simplify right side
    272,925.75x = 29,962,571,462.80
  5. Step 5: Solve for x
    x = 29,962,571,462.80/272,925.75
  6. Step 6: Final answer
    x = 109,782.87

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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.