Home / 140,961.24-194,529.18-77,295.24

Finding the Fourth Proportional to 140,961.24, 194,529.18 and 77,295.24

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Solution

The fourth proportional to 140,961.24, 194,529.18 and 77,295.24 is: 106,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,961.24 : 194,529.18 = 77,295.24 : x
  2. Step 2: Convert to fraction form
    140,961.24/194,529.18 = 77,295.24/x
  3. Step 3: Cross multiply
    140,961.24x = 194,529.18 × 77,295.24
  4. Step 4: Simplify right side
    140,961.24x = 15,036,179,655.10
  5. Step 5: Solve for x
    x = 15,036,179,655.10/140,961.24
  6. Step 6: Final answer
    x = 106,668.89

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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.