Home / 269,938.26-372,514.80-156,768.30

Finding the Fourth Proportional to 269,938.26, 372,514.80 and 156,768.30

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Solution

The fourth proportional to 269,938.26, 372,514.80 and 156,768.30 is: 216,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,938.26 : 372,514.80 = 156,768.30 : x
  2. Step 2: Convert to fraction form
    269,938.26/372,514.80 = 156,768.30/x
  3. Step 3: Cross multiply
    269,938.26x = 372,514.80 × 156,768.30
  4. Step 4: Simplify right side
    269,938.26x = 58,398,511,920.84
  5. Step 5: Solve for x
    x = 58,398,511,920.84/269,938.26
  6. Step 6: Final answer
    x = 216,340.25

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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.