Home / 194,441.80-291,626.70-54,171.40

Finding the Fourth Proportional to 194,441.80, 291,626.70 and 54,171.40

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Solution

The fourth proportional to 194,441.80, 291,626.70 and 54,171.40 is: 81,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,441.80 : 291,626.70 = 54,171.40 : x
  2. Step 2: Convert to fraction form
    194,441.80/291,626.70 = 54,171.40/x
  3. Step 3: Cross multiply
    194,441.80x = 291,626.70 × 54,171.40
  4. Step 4: Simplify right side
    194,441.80x = 15,797,826,616.38
  5. Step 5: Solve for x
    x = 15,797,826,616.38/194,441.80
  6. Step 6: Final answer
    x = 81,247.07

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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.