Home / 140,616.45-194,053.01-76,954.05

Finding the Fourth Proportional to 140,616.45, 194,053.01 and 76,954.05

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Solution

The fourth proportional to 140,616.45, 194,053.01 and 76,954.05 is: 106,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616.45 : 194,053.01 = 76,954.05 : x
  2. Step 2: Convert to fraction form
    140,616.45/194,053.01 = 76,954.05/x
  3. Step 3: Cross multiply
    140,616.45x = 194,053.01 × 76,954.05
  4. Step 4: Simplify right side
    140,616.45x = 14,933,164,649.42
  5. Step 5: Solve for x
    x = 14,933,164,649.42/140,616.45
  6. Step 6: Final answer
    x = 106,197.85

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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.