Home / 322,585.40-445,142.56-179,336.72

Finding the Fourth Proportional to 322,585.40, 445,142.56 and 179,336.72

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Solution

The fourth proportional to 322,585.40, 445,142.56 and 179,336.72 is: 247,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,585.40 : 445,142.56 = 179,336.72 : x
  2. Step 2: Convert to fraction form
    322,585.40/445,142.56 = 179,336.72/x
  3. Step 3: Cross multiply
    322,585.40x = 445,142.56 × 179,336.72
  4. Step 4: Simplify right side
    322,585.40x = 79,830,406,642.80
  5. Step 5: Solve for x
    x = 79,830,406,642.80/322,585.40
  6. Step 6: Final answer
    x = 247,470.61

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1.5x scale

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.