Home / 197,939.19-296,921.48-69,839.76

Finding the Fourth Proportional to 197,939.19, 296,921.48 and 69,839.76

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Solution

The fourth proportional to 197,939.19, 296,921.48 and 69,839.76 is: 104,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,939.19 : 296,921.48 = 69,839.76 : x
  2. Step 2: Convert to fraction form
    197,939.19/296,921.48 = 69,839.76/x
  3. Step 3: Cross multiply
    197,939.19x = 296,921.48 × 69,839.76
  4. Step 4: Simplify right side
    197,939.19x = 20,736,924,552.85
  5. Step 5: Solve for x
    x = 20,736,924,552.85/197,939.19
  6. Step 6: Final answer
    x = 104,764.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.