Home / 194,616.60-291,464.10-131,947.80

Finding the Fourth Proportional to 194,616.60, 291,464.10 and 131,947.80

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Solution

The fourth proportional to 194,616.60, 291,464.10 and 131,947.80 is: 197,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,616.60 : 291,464.10 = 131,947.80 : x
  2. Step 2: Convert to fraction form
    194,616.60/291,464.10 = 131,947.80/x
  3. Step 3: Cross multiply
    194,616.60x = 291,464.10 × 131,947.80
  4. Step 4: Simplify right side
    194,616.60x = 38,458,046,773.98
  5. Step 5: Solve for x
    x = 38,458,046,773.98/194,616.60
  6. Step 6: Final answer
    x = 197,609.28

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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.