Home / 197,864.56-296,799.12-71,514.40

Finding the Fourth Proportional to 197,864.56, 296,799.12 and 71,514.40

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Solution

The fourth proportional to 197,864.56, 296,799.12 and 71,514.40 is: 107,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,864.56 : 296,799.12 = 71,514.40 : x
  2. Step 2: Convert to fraction form
    197,864.56/296,799.12 = 71,514.40/x
  3. Step 3: Cross multiply
    197,864.56x = 296,799.12 × 71,514.40
  4. Step 4: Simplify right side
    197,864.56x = 21,225,410,987.33
  5. Step 5: Solve for x
    x = 21,225,410,987.33/197,864.56
  6. Step 6: Final answer
    x = 107,272.42

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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.