Home / 324,728.20-448,146.85-188,761.73

Finding the Fourth Proportional to 324,728.20, 448,146.85 and 188,761.73

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Solution

The fourth proportional to 324,728.20, 448,146.85 and 188,761.73 is: 260,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,728.20 : 448,146.85 = 188,761.73 : x
  2. Step 2: Convert to fraction form
    324,728.20/448,146.85 = 188,761.73/x
  3. Step 3: Cross multiply
    324,728.20x = 448,146.85 × 188,761.73
  4. Step 4: Simplify right side
    324,728.20x = 84,592,972,872.23
  5. Step 5: Solve for x
    x = 84,592,972,872.23/324,728.20
  6. Step 6: Final answer
    x = 260,503.93

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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.