Home / 140,923.32-194,486.45-77,273.52

Finding the Fourth Proportional to 140,923.32, 194,486.45 and 77,273.52

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Solution

The fourth proportional to 140,923.32, 194,486.45 and 77,273.52 is: 106,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,923.32 : 194,486.45 = 77,273.52 : x
  2. Step 2: Convert to fraction form
    140,923.32/194,486.45 = 77,273.52/x
  3. Step 3: Cross multiply
    140,923.32x = 194,486.45 × 77,273.52
  4. Step 4: Simplify right side
    140,923.32x = 15,028,652,197.44
  5. Step 5: Solve for x
    x = 15,028,652,197.44/140,923.32
  6. Step 6: Final answer
    x = 106,644.18

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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.