Home / 197,841.76-296,776.34-79,513.20

Finding the Fourth Proportional to 197,841.76, 296,776.34 and 79,513.20

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Solution

The fourth proportional to 197,841.76, 296,776.34 and 79,513.20 is: 119,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,841.76 : 296,776.34 = 79,513.20 : x
  2. Step 2: Convert to fraction form
    197,841.76/296,776.34 = 79,513.20/x
  3. Step 3: Cross multiply
    197,841.76x = 296,776.34 × 79,513.20
  4. Step 4: Simplify right side
    197,841.76x = 23,597,636,477.69
  5. Step 5: Solve for x
    x = 23,597,636,477.69/197,841.76
  6. Step 6: Final answer
    x = 119,275.31

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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.