Home / 115,206.50-172,673.98-51,952.56

Finding the Fourth Proportional to 115,206.50, 172,673.98 and 51,952.56

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Solution

The fourth proportional to 115,206.50, 172,673.98 and 51,952.56 is: 77,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206.50 : 172,673.98 = 51,952.56 : x
  2. Step 2: Convert to fraction form
    115,206.50/172,673.98 = 51,952.56/x
  3. Step 3: Cross multiply
    115,206.50x = 172,673.98 × 51,952.56
  4. Step 4: Simplify right side
    115,206.50x = 8,970,855,306.39
  5. Step 5: Solve for x
    x = 8,970,855,306.39/115,206.50
  6. Step 6: Final answer
    x = 77,867.61

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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.