Home / 275,199.12-379,735.92-160,512.48

Finding the Fourth Proportional to 275,199.12, 379,735.92 and 160,512.48

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Solution

The fourth proportional to 275,199.12, 379,735.92 and 160,512.48 is: 221,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,199.12 : 379,735.92 = 160,512.48 : x
  2. Step 2: Convert to fraction form
    275,199.12/379,735.92 = 160,512.48/x
  3. Step 3: Cross multiply
    275,199.12x = 379,735.92 × 160,512.48
  4. Step 4: Simplify right side
    275,199.12x = 60,952,354,264.28
  5. Step 5: Solve for x
    x = 60,952,354,264.28/275,199.12
  6. Step 6: Final answer
    x = 221,484.55

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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.