Home / 352,451.28-486,383.20-191,306.32

Finding the Fourth Proportional to 352,451.28, 486,383.20 and 191,306.32

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Solution

The fourth proportional to 352,451.28, 486,383.20 and 191,306.32 is: 264,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,451.28 : 486,383.20 = 191,306.32 : x
  2. Step 2: Convert to fraction form
    352,451.28/486,383.20 = 191,306.32/x
  3. Step 3: Cross multiply
    352,451.28x = 486,383.20 × 191,306.32
  4. Step 4: Simplify right side
    352,451.28x = 93,048,180,101.82
  5. Step 5: Solve for x
    x = 93,048,180,101.82/352,451.28
  6. Step 6: Final answer
    x = 264,002.96

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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.