Home / 198,732.16-274,249.08-112,707.52

Finding the Fourth Proportional to 198,732.16, 274,249.08 and 112,707.52

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Solution

The fourth proportional to 198,732.16, 274,249.08 and 112,707.52 is: 155,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,732.16 : 274,249.08 = 112,707.52 : x
  2. Step 2: Convert to fraction form
    198,732.16/274,249.08 = 112,707.52/x
  3. Step 3: Cross multiply
    198,732.16x = 274,249.08 × 112,707.52
  4. Step 4: Simplify right side
    198,732.16x = 30,909,933,669.08
  5. Step 5: Solve for x
    x = 30,909,933,669.08/198,732.16
  6. Step 6: Final answer
    x = 155,535.64

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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.