Home / 197,987.43-273,219.30-111,945.08

Finding the Fourth Proportional to 197,987.43, 273,219.30 and 111,945.08

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Solution

The fourth proportional to 197,987.43, 273,219.30 and 111,945.08 is: 154,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,987.43 : 273,219.30 = 111,945.08 : x
  2. Step 2: Convert to fraction form
    197,987.43/273,219.30 = 111,945.08/x
  3. Step 3: Cross multiply
    197,987.43x = 273,219.30 × 111,945.08
  4. Step 4: Simplify right side
    197,987.43x = 30,585,557,079.09
  5. Step 5: Solve for x
    x = 30,585,557,079.09/197,987.43
  6. Step 6: Final answer
    x = 154,482.32

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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.