Home / 129,860.70-194,878.51-50,965.62

Finding the Fourth Proportional to 129,860.70, 194,878.51 and 50,965.62

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Solution

The fourth proportional to 129,860.70, 194,878.51 and 50,965.62 is: 76,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,860.70 : 194,878.51 = 50,965.62 : x
  2. Step 2: Convert to fraction form
    129,860.70/194,878.51 = 50,965.62/x
  3. Step 3: Cross multiply
    129,860.70x = 194,878.51 × 50,965.62
  4. Step 4: Simplify right side
    129,860.70x = 9,932,104,086.83
  5. Step 5: Solve for x
    x = 9,932,104,086.83/129,860.70
  6. Step 6: Final answer
    x = 76,482.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.