Home / 347,808.24-479,974.68-196,919.28

Finding the Fourth Proportional to 347,808.24, 479,974.68 and 196,919.28

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Solution

The fourth proportional to 347,808.24, 479,974.68 and 196,919.28 is: 271,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,808.24 : 479,974.68 = 196,919.28 : x
  2. Step 2: Convert to fraction form
    347,808.24/479,974.68 = 196,919.28/x
  3. Step 3: Cross multiply
    347,808.24x = 479,974.68 × 196,919.28
  4. Step 4: Simplify right side
    347,808.24x = 94,516,268,403.83
  5. Step 5: Solve for x
    x = 94,516,268,403.83/347,808.24
  6. Step 6: Final answer
    x = 271,748.22

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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.