Home / 263,439.30-394,875.54-113,750.10

Finding the Fourth Proportional to 263,439.30, 394,875.54 and 113,750.10

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Solution

The fourth proportional to 263,439.30, 394,875.54 and 113,750.10 is: 170,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,439.30 : 394,875.54 = 113,750.10 : x
  2. Step 2: Convert to fraction form
    263,439.30/394,875.54 = 113,750.10/x
  3. Step 3: Cross multiply
    263,439.30x = 394,875.54 × 113,750.10
  4. Step 4: Simplify right side
    263,439.30x = 44,917,132,162.55
  5. Step 5: Solve for x
    x = 44,917,132,162.55/263,439.30
  6. Step 6: Final answer
    x = 170,502.78

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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.