Home / 140,960.13-194,524.79-77,297.91

Finding the Fourth Proportional to 140,960.13, 194,524.79 and 77,297.91

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Solution

The fourth proportional to 140,960.13, 194,524.79 and 77,297.91 is: 106,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,960.13 : 194,524.79 = 77,297.91 : x
  2. Step 2: Convert to fraction form
    140,960.13/194,524.79 = 77,297.91/x
  3. Step 3: Cross multiply
    140,960.13x = 194,524.79 × 77,297.91
  4. Step 4: Simplify right side
    140,960.13x = 15,036,359,323.70
  5. Step 5: Solve for x
    x = 15,036,359,323.70/140,960.13
  6. Step 6: Final answer
    x = 106,671.01

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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.