Home / 197,829.12-296,721.72-55,678.92

Finding the Fourth Proportional to 197,829.12, 296,721.72 and 55,678.92

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Solution

The fourth proportional to 197,829.12, 296,721.72 and 55,678.92 is: 83,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,829.12 : 296,721.72 = 55,678.92 : x
  2. Step 2: Convert to fraction form
    197,829.12/296,721.72 = 55,678.92/x
  3. Step 3: Cross multiply
    197,829.12x = 296,721.72 × 55,678.92
  4. Step 4: Simplify right side
    197,829.12x = 16,521,144,910.14
  5. Step 5: Solve for x
    x = 16,521,144,910.14/197,829.12
  6. Step 6: Final answer
    x = 83,512.20

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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.