Home / 261,584.49-360,974.22-145,305.48

Finding the Fourth Proportional to 261,584.49, 360,974.22 and 145,305.48

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Solution

The fourth proportional to 261,584.49, 360,974.22 and 145,305.48 is: 200,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,584.49 : 360,974.22 = 145,305.48 : x
  2. Step 2: Convert to fraction form
    261,584.49/360,974.22 = 145,305.48/x
  3. Step 3: Cross multiply
    261,584.49x = 360,974.22 × 145,305.48
  4. Step 4: Simplify right side
    261,584.49x = 52,451,532,304.73
  5. Step 5: Solve for x
    x = 52,451,532,304.73/261,584.49
  6. Step 6: Final answer
    x = 200,514.69

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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.