Home / 347,226.24-479,182.32-196,320

Finding the Fourth Proportional to 347,226.24, 479,182.32 and 196,320

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Solution

The fourth proportional to 347,226.24, 479,182.32 and 196,320 is: 270,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,226.24 : 479,182.32 = 196,320 : x
  2. Step 2: Convert to fraction form
    347,226.24/479,182.32 = 196,320/x
  3. Step 3: Cross multiply
    347,226.24x = 479,182.32 × 196,320
  4. Step 4: Simplify right side
    347,226.24x = 94,073,073,062.40
  5. Step 5: Solve for x
    x = 94,073,073,062.40/347,226.24
  6. Step 6: Final answer
    x = 270,927.32

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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.