Home / 198,575.32-274,029.06-113,685.16

Finding the Fourth Proportional to 198,575.32, 274,029.06 and 113,685.16

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Solution

The fourth proportional to 198,575.32, 274,029.06 and 113,685.16 is: 156,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,575.32 : 274,029.06 = 113,685.16 : x
  2. Step 2: Convert to fraction form
    198,575.32/274,029.06 = 113,685.16/x
  3. Step 3: Cross multiply
    198,575.32x = 274,029.06 × 113,685.16
  4. Step 4: Simplify right side
    198,575.32x = 31,153,037,530.75
  5. Step 5: Solve for x
    x = 31,153,037,530.75/198,575.32
  6. Step 6: Final answer
    x = 156,882.73

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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.