Home / 269,458.12-403,811.70-136,182.88

Finding the Fourth Proportional to 269,458.12, 403,811.70 and 136,182.88

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Solution

The fourth proportional to 269,458.12, 403,811.70 and 136,182.88 is: 204,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,458.12 : 403,811.70 = 136,182.88 : x
  2. Step 2: Convert to fraction form
    269,458.12/403,811.70 = 136,182.88/x
  3. Step 3: Cross multiply
    269,458.12x = 403,811.70 × 136,182.88
  4. Step 4: Simplify right side
    269,458.12x = 54,992,240,283.70
  5. Step 5: Solve for x
    x = 54,992,240,283.70/269,458.12
  6. Step 6: Final answer
    x = 204,084.55

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1.5x scale

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.