Home / 140,697.62-194,155.26-77,023.16

Finding the Fourth Proportional to 140,697.62, 194,155.26 and 77,023.16

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Solution

The fourth proportional to 140,697.62, 194,155.26 and 77,023.16 is: 106,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,697.62 : 194,155.26 = 77,023.16 : x
  2. Step 2: Convert to fraction form
    140,697.62/194,155.26 = 77,023.16/x
  3. Step 3: Cross multiply
    140,697.62x = 194,155.26 × 77,023.16
  4. Step 4: Simplify right side
    140,697.62x = 14,954,451,655.82
  5. Step 5: Solve for x
    x = 14,954,451,655.82/140,697.62
  6. Step 6: Final answer
    x = 106,287.88

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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.