Home / 194,121.45-291,346.20-75,877.65

Finding the Fourth Proportional to 194,121.45, 291,346.20 and 75,877.65

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Solution

The fourth proportional to 194,121.45, 291,346.20 and 75,877.65 is: 113,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,121.45 : 291,346.20 = 75,877.65 : x
  2. Step 2: Convert to fraction form
    194,121.45/291,346.20 = 75,877.65/x
  3. Step 3: Cross multiply
    194,121.45x = 291,346.20 × 75,877.65
  4. Step 4: Simplify right side
    194,121.45x = 22,106,664,992.43
  5. Step 5: Solve for x
    x = 22,106,664,992.43/194,121.45
  6. Step 6: Final answer
    x = 113,880.59

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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.