Home / 269,556.20-371,967.78-156,357.16

Finding the Fourth Proportional to 269,556.20, 371,967.78 and 156,357.16

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Solution

The fourth proportional to 269,556.20, 371,967.78 and 156,357.16 is: 215,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,556.20 : 371,967.78 = 156,357.16 : x
  2. Step 2: Convert to fraction form
    269,556.20/371,967.78 = 156,357.16/x
  3. Step 3: Cross multiply
    269,556.20x = 371,967.78 × 156,357.16
  4. Step 4: Simplify right side
    269,556.20x = 58,159,825,692.30
  5. Step 5: Solve for x
    x = 58,159,825,692.30/269,556.20
  6. Step 6: Final answer
    x = 215,761.41

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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.