Home / 198,779.22-274,249.08-112,727.52

Finding the Fourth Proportional to 198,779.22, 274,249.08 and 112,727.52

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Solution

The fourth proportional to 198,779.22, 274,249.08 and 112,727.52 is: 155,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,779.22 : 274,249.08 = 112,727.52 : x
  2. Step 2: Convert to fraction form
    198,779.22/274,249.08 = 112,727.52/x
  3. Step 3: Cross multiply
    198,779.22x = 274,249.08 × 112,727.52
  4. Step 4: Simplify right side
    198,779.22x = 30,915,418,650.68
  5. Step 5: Solve for x
    x = 30,915,418,650.68/198,779.22
  6. Step 6: Final answer
    x = 155,526.41

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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.