Home / 140,888.82-194,431.32-77,226.60

Finding the Fourth Proportional to 140,888.82, 194,431.32 and 77,226.60

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Solution

The fourth proportional to 140,888.82, 194,431.32 and 77,226.60 is: 106,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,888.82 : 194,431.32 = 77,226.60 : x
  2. Step 2: Convert to fraction form
    140,888.82/194,431.32 = 77,226.60/x
  3. Step 3: Cross multiply
    140,888.82x = 194,431.32 × 77,226.60
  4. Step 4: Simplify right side
    140,888.82x = 15,015,269,777.11
  5. Step 5: Solve for x
    x = 15,015,269,777.11/140,888.82
  6. Step 6: Final answer
    x = 106,575.31

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1.5x scale

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.