Home / 197,340.59-272,351.12-120,910.41

Finding the Fourth Proportional to 197,340.59, 272,351.12 and 120,910.41

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Solution

The fourth proportional to 197,340.59, 272,351.12 and 120,910.41 is: 166,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,340.59 : 272,351.12 = 120,910.41 : x
  2. Step 2: Convert to fraction form
    197,340.59/272,351.12 = 120,910.41/x
  3. Step 3: Cross multiply
    197,340.59x = 272,351.12 × 120,910.41
  4. Step 4: Simplify right side
    197,340.59x = 32,930,084,751.14
  5. Step 5: Solve for x
    x = 32,930,084,751.14/197,340.59
  6. Step 6: Final answer
    x = 166,869.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.