Home / 257,842.20-386,763.30-179,110.20

Finding the Fourth Proportional to 257,842.20, 386,763.30 and 179,110.20

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Solution

The fourth proportional to 257,842.20, 386,763.30 and 179,110.20 is: 268,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,842.20 : 386,763.30 = 179,110.20 : x
  2. Step 2: Convert to fraction form
    257,842.20/386,763.30 = 179,110.20/x
  3. Step 3: Cross multiply
    257,842.20x = 386,763.30 × 179,110.20
  4. Step 4: Simplify right side
    257,842.20x = 69,273,252,015.66
  5. Step 5: Solve for x
    x = 69,273,252,015.66/257,842.20
  6. Step 6: Final answer
    x = 268,665.30

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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.