Home / 140,853.16-194,377.32-77,190.91

Finding the Fourth Proportional to 140,853.16, 194,377.32 and 77,190.91

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Solution

The fourth proportional to 140,853.16, 194,377.32 and 77,190.91 is: 106,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,853.16 : 194,377.32 = 77,190.91 : x
  2. Step 2: Convert to fraction form
    140,853.16/194,377.32 = 77,190.91/x
  3. Step 3: Cross multiply
    140,853.16x = 194,377.32 × 77,190.91
  4. Step 4: Simplify right side
    140,853.16x = 15,004,161,728.22
  5. Step 5: Solve for x
    x = 15,004,161,728.22/140,853.16
  6. Step 6: Final answer
    x = 106,523.43

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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.