Home / 198,864.27-274,432.73-109,440.27

Finding the Fourth Proportional to 198,864.27, 274,432.73 and 109,440.27

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Solution

The fourth proportional to 198,864.27, 274,432.73 and 109,440.27 is: 151,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,864.27 : 274,432.73 = 109,440.27 : x
  2. Step 2: Convert to fraction form
    198,864.27/274,432.73 = 109,440.27/x
  3. Step 3: Cross multiply
    198,864.27x = 274,432.73 × 109,440.27
  4. Step 4: Simplify right side
    198,864.27x = 30,033,992,068.04
  5. Step 5: Solve for x
    x = 30,033,992,068.04/198,864.27
  6. Step 6: Final answer
    x = 151,027.59

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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.