Home / 198,997.29-274,527.54-134,445.78

Finding the Fourth Proportional to 198,997.29, 274,527.54 and 134,445.78

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Solution

The fourth proportional to 198,997.29, 274,527.54 and 134,445.78 is: 185,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,997.29 : 274,527.54 = 134,445.78 : x
  2. Step 2: Convert to fraction form
    198,997.29/274,527.54 = 134,445.78/x
  3. Step 3: Cross multiply
    198,997.29x = 274,527.54 × 134,445.78
  4. Step 4: Simplify right side
    198,997.29x = 36,909,069,246.78
  5. Step 5: Solve for x
    x = 36,909,069,246.78/198,997.29
  6. Step 6: Final answer
    x = 185,475.24

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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.