Home / 352,439.64-486,353.66-191,291.24

Finding the Fourth Proportional to 352,439.64, 486,353.66 and 191,291.24

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Solution

The fourth proportional to 352,439.64, 486,353.66 and 191,291.24 is: 263,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,439.64 : 486,353.66 = 191,291.24 : x
  2. Step 2: Convert to fraction form
    352,439.64/486,353.66 = 191,291.24/x
  3. Step 3: Cross multiply
    352,439.64x = 486,353.66 × 191,291.24
  4. Step 4: Simplify right side
    352,439.64x = 93,035,194,699.94
  5. Step 5: Solve for x
    x = 93,035,194,699.94/352,439.64
  6. Step 6: Final answer
    x = 263,974.83

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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.