Home / 194,475.75-291,762.90-54,234.38

Finding the Fourth Proportional to 194,475.75, 291,762.90 and 54,234.38

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Solution

The fourth proportional to 194,475.75, 291,762.90 and 54,234.38 is: 81,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,475.75 : 291,762.90 = 54,234.38 : x
  2. Step 2: Convert to fraction form
    194,475.75/291,762.90 = 54,234.38/x
  3. Step 3: Cross multiply
    194,475.75x = 291,762.90 × 54,234.38
  4. Step 4: Simplify right side
    194,475.75x = 15,823,578,529.69
  5. Step 5: Solve for x
    x = 15,823,578,529.69/194,475.75
  6. Step 6: Final answer
    x = 81,365.30

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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.