Home / 140,956.66-194,529.05-77,294.45

Finding the Fourth Proportional to 140,956.66, 194,529.05 and 77,294.45

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Solution

The fourth proportional to 140,956.66, 194,529.05 and 77,294.45 is: 106,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,956.66 : 194,529.05 = 77,294.45 : x
  2. Step 2: Convert to fraction form
    140,956.66/194,529.05 = 77,294.45/x
  3. Step 3: Cross multiply
    140,956.66x = 194,529.05 × 77,294.45
  4. Step 4: Simplify right side
    140,956.66x = 15,036,016,028.62
  5. Step 5: Solve for x
    x = 15,036,016,028.62/140,956.66
  6. Step 6: Final answer
    x = 106,671.20

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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.