Home / 197,808.96-296,789.28-118,979.04

Finding the Fourth Proportional to 197,808.96, 296,789.28 and 118,979.04

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Solution

The fourth proportional to 197,808.96, 296,789.28 and 118,979.04 is: 178,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,808.96 : 296,789.28 = 118,979.04 : x
  2. Step 2: Convert to fraction form
    197,808.96/296,789.28 = 118,979.04/x
  3. Step 3: Cross multiply
    197,808.96x = 296,789.28 × 118,979.04
  4. Step 4: Simplify right side
    197,808.96x = 35,311,703,616.69
  5. Step 5: Solve for x
    x = 35,311,703,616.69/197,808.96
  6. Step 6: Final answer
    x = 178,514.18

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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.