Home / 140,616.45-194,050.62-76,954.23

Finding the Fourth Proportional to 140,616.45, 194,050.62 and 76,954.23

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Solution

The fourth proportional to 140,616.45, 194,050.62 and 76,954.23 is: 106,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616.45 : 194,050.62 = 76,954.23 : x
  2. Step 2: Convert to fraction form
    140,616.45/194,050.62 = 76,954.23/x
  3. Step 3: Cross multiply
    140,616.45x = 194,050.62 × 76,954.23
  4. Step 4: Simplify right side
    140,616.45x = 14,933,016,043.12
  5. Step 5: Solve for x
    x = 14,933,016,043.12/140,616.45
  6. Step 6: Final answer
    x = 106,196.79

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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.