Home / 197,306.82-272,219.13-120,746.03

Finding the Fourth Proportional to 197,306.82, 272,219.13 and 120,746.03

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Solution

The fourth proportional to 197,306.82, 272,219.13 and 120,746.03 is: 166,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,306.82 : 272,219.13 = 120,746.03 : x
  2. Step 2: Convert to fraction form
    197,306.82/272,219.13 = 120,746.03/x
  3. Step 3: Cross multiply
    197,306.82x = 272,219.13 × 120,746.03
  4. Step 4: Simplify right side
    197,306.82x = 32,869,377,876.46
  5. Step 5: Solve for x
    x = 32,869,377,876.46/197,306.82
  6. Step 6: Final answer
    x = 166,590.18

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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.