Home / 197,725.38-272,859.56-107,079.24

Finding the Fourth Proportional to 197,725.38, 272,859.56 and 107,079.24

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Solution

The fourth proportional to 197,725.38, 272,859.56 and 107,079.24 is: 147,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,725.38 : 272,859.56 = 107,079.24 : x
  2. Step 2: Convert to fraction form
    197,725.38/272,859.56 = 107,079.24/x
  3. Step 3: Cross multiply
    197,725.38x = 272,859.56 × 107,079.24
  4. Step 4: Simplify right side
    197,725.38x = 29,217,593,214.93
  5. Step 5: Solve for x
    x = 29,217,593,214.93/197,725.38
  6. Step 6: Final answer
    x = 147,768.56

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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.