Home / 140,958.12-194,524.98-77,296.05

Finding the Fourth Proportional to 140,958.12, 194,524.98 and 77,296.05

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Solution

The fourth proportional to 140,958.12, 194,524.98 and 77,296.05 is: 106,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,958.12 : 194,524.98 = 77,296.05 : x
  2. Step 2: Convert to fraction form
    140,958.12/194,524.98 = 77,296.05/x
  3. Step 3: Cross multiply
    140,958.12x = 194,524.98 × 77,296.05
  4. Step 4: Simplify right side
    140,958.12x = 15,036,012,580.33
  5. Step 5: Solve for x
    x = 15,036,012,580.33/140,958.12
  6. Step 6: Final answer
    x = 106,670.07

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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.