Home / 198,856.13-274,421.50-109,432.13

Finding the Fourth Proportional to 198,856.13, 274,421.50 and 109,432.13

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Solution

The fourth proportional to 198,856.13, 274,421.50 and 109,432.13 is: 151,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,856.13 : 274,421.50 = 109,432.13 : x
  2. Step 2: Convert to fraction form
    198,856.13/274,421.50 = 109,432.13/x
  3. Step 3: Cross multiply
    198,856.13x = 274,421.50 × 109,432.13
  4. Step 4: Simplify right side
    198,856.13x = 30,030,527,617.11
  5. Step 5: Solve for x
    x = 30,030,527,617.11/198,856.13
  6. Step 6: Final answer
    x = 151,016.36

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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.