Home / 194,484.96-291,842.24-82,157.90

Finding the Fourth Proportional to 194,484.96, 291,842.24 and 82,157.90

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Solution

The fourth proportional to 194,484.96, 291,842.24 and 82,157.90 is: 123,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,484.96 : 291,842.24 = 82,157.90 : x
  2. Step 2: Convert to fraction form
    194,484.96/291,842.24 = 82,157.90/x
  3. Step 3: Cross multiply
    194,484.96x = 291,842.24 × 82,157.90
  4. Step 4: Simplify right side
    194,484.96x = 23,977,143,699.70
  5. Step 5: Solve for x
    x = 23,977,143,699.70/194,484.96
  6. Step 6: Final answer
    x = 123,285.34

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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.