Home / 194,515.53-291,631.49-131,178.29

Finding the Fourth Proportional to 194,515.53, 291,631.49 and 131,178.29

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Solution

The fourth proportional to 194,515.53, 291,631.49 and 131,178.29 is: 196,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,515.53 : 291,631.49 = 131,178.29 : x
  2. Step 2: Convert to fraction form
    194,515.53/291,631.49 = 131,178.29/x
  3. Step 3: Cross multiply
    194,515.53x = 291,631.49 × 131,178.29
  4. Step 4: Simplify right side
    194,515.53x = 38,255,718,546.22
  5. Step 5: Solve for x
    x = 38,255,718,546.22/194,515.53
  6. Step 6: Final answer
    x = 196,671.80

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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.