Home / 194,436.30-291,618.45-54,165.90

Finding the Fourth Proportional to 194,436.30, 291,618.45 and 54,165.90

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Solution

The fourth proportional to 194,436.30, 291,618.45 and 54,165.90 is: 81,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,436.30 : 291,618.45 = 54,165.90 : x
  2. Step 2: Convert to fraction form
    194,436.30/291,618.45 = 54,165.90/x
  3. Step 3: Cross multiply
    194,436.30x = 291,618.45 × 54,165.90
  4. Step 4: Simplify right side
    194,436.30x = 15,795,775,800.86
  5. Step 5: Solve for x
    x = 15,795,775,800.86/194,436.30
  6. Step 6: Final answer
    x = 81,238.82

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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.