Home / 264,904.20-397,356.30-115,216.20

Finding the Fourth Proportional to 264,904.20, 397,356.30 and 115,216.20

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Solution

The fourth proportional to 264,904.20, 397,356.30 and 115,216.20 is: 172,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,904.20 : 397,356.30 = 115,216.20 : x
  2. Step 2: Convert to fraction form
    264,904.20/397,356.30 = 115,216.20/x
  3. Step 3: Cross multiply
    264,904.20x = 397,356.30 × 115,216.20
  4. Step 4: Simplify right side
    264,904.20x = 45,781,882,932.06
  5. Step 5: Solve for x
    x = 45,781,882,932.06/264,904.20
  6. Step 6: Final answer
    x = 172,824.30

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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.