Home / 192,624.24-288,864.51-66,228.72

Finding the Fourth Proportional to 192,624.24, 288,864.51 and 66,228.72

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Solution

The fourth proportional to 192,624.24, 288,864.51 and 66,228.72 is: 99,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,624.24 : 288,864.51 = 66,228.72 : x
  2. Step 2: Convert to fraction form
    192,624.24/288,864.51 = 66,228.72/x
  3. Step 3: Cross multiply
    192,624.24x = 288,864.51 × 66,228.72
  4. Step 4: Simplify right side
    192,624.24x = 19,131,126,750.73
  5. Step 5: Solve for x
    x = 19,131,126,750.73/192,624.24
  6. Step 6: Final answer
    x = 99,318.38

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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.