Home / 197,202.38-272,195.10-116,657.89

Finding the Fourth Proportional to 197,202.38, 272,195.10 and 116,657.89

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Solution

The fourth proportional to 197,202.38, 272,195.10 and 116,657.89 is: 161,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,202.38 : 272,195.10 = 116,657.89 : x
  2. Step 2: Convert to fraction form
    197,202.38/272,195.10 = 116,657.89/x
  3. Step 3: Cross multiply
    197,202.38x = 272,195.10 × 116,657.89
  4. Step 4: Simplify right side
    197,202.38x = 31,753,705,353.85
  5. Step 5: Solve for x
    x = 31,753,705,353.85/197,202.38
  6. Step 6: Final answer
    x = 161,020.91

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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.