Home / 198,111.96-273,328.02-113,168.88

Finding the Fourth Proportional to 198,111.96, 273,328.02 and 113,168.88

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Solution

The fourth proportional to 198,111.96, 273,328.02 and 113,168.88 is: 156,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,111.96 : 273,328.02 = 113,168.88 : x
  2. Step 2: Convert to fraction form
    198,111.96/273,328.02 = 113,168.88/x
  3. Step 3: Cross multiply
    198,111.96x = 273,328.02 × 113,168.88
  4. Step 4: Simplify right side
    198,111.96x = 30,932,225,896.02
  5. Step 5: Solve for x
    x = 30,932,225,896.02/198,111.96
  6. Step 6: Final answer
    x = 156,135.08

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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.