Home / 198,856.16-274,426.56-108,217.04

Finding the Fourth Proportional to 198,856.16, 274,426.56 and 108,217.04

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Solution

The fourth proportional to 198,856.16, 274,426.56 and 108,217.04 is: 149,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,856.16 : 274,426.56 = 108,217.04 : x
  2. Step 2: Convert to fraction form
    198,856.16/274,426.56 = 108,217.04/x
  3. Step 3: Cross multiply
    198,856.16x = 274,426.56 × 108,217.04
  4. Step 4: Simplify right side
    198,856.16x = 29,697,630,020.58
  5. Step 5: Solve for x
    x = 29,697,630,020.58/198,856.16
  6. Step 6: Final answer
    x = 149,342.27

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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.