Home / 197,850.18-273,046.66-111,779.32

Finding the Fourth Proportional to 197,850.18, 273,046.66 and 111,779.32

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Solution

The fourth proportional to 197,850.18, 273,046.66 and 111,779.32 is: 154,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,850.18 : 273,046.66 = 111,779.32 : x
  2. Step 2: Convert to fraction form
    197,850.18/273,046.66 = 111,779.32/x
  3. Step 3: Cross multiply
    197,850.18x = 273,046.66 × 111,779.32
  4. Step 4: Simplify right side
    197,850.18x = 30,520,969,983.07
  5. Step 5: Solve for x
    x = 30,520,969,983.07/197,850.18
  6. Step 6: Final answer
    x = 154,263.04

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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.