Home / 322,567.38-445,117.77-179,318.70

Finding the Fourth Proportional to 322,567.38, 445,117.77 and 179,318.70

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Solution

The fourth proportional to 322,567.38, 445,117.77 and 179,318.70 is: 247,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,567.38 : 445,117.77 = 179,318.70 : x
  2. Step 2: Convert to fraction form
    322,567.38/445,117.77 = 179,318.70/x
  3. Step 3: Cross multiply
    322,567.38x = 445,117.77 × 179,318.70
  4. Step 4: Simplify right side
    322,567.38x = 79,817,939,863.30
  5. Step 5: Solve for x
    x = 79,817,939,863.30/322,567.38
  6. Step 6: Final answer
    x = 247,445.79

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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.