Home / 197,474.72-272,231.67-140,787.68

Finding the Fourth Proportional to 197,474.72, 272,231.67 and 140,787.68

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Solution

The fourth proportional to 197,474.72, 272,231.67 and 140,787.68 is: 194,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,474.72 : 272,231.67 = 140,787.68 : x
  2. Step 2: Convert to fraction form
    197,474.72/272,231.67 = 140,787.68/x
  3. Step 3: Cross multiply
    197,474.72x = 272,231.67 × 140,787.68
  4. Step 4: Simplify right side
    197,474.72x = 38,326,865,241.83
  5. Step 5: Solve for x
    x = 38,326,865,241.83/197,474.72
  6. Step 6: Final answer
    x = 194,084.92

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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.