Home / 347,849.91-521,840.45-131,773.32

Finding the Fourth Proportional to 347,849.91, 521,840.45 and 131,773.32

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Solution

The fourth proportional to 347,849.91, 521,840.45 and 131,773.32 is: 197,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,849.91 : 521,840.45 = 131,773.32 : x
  2. Step 2: Convert to fraction form
    347,849.91/521,840.45 = 131,773.32/x
  3. Step 3: Cross multiply
    347,849.91x = 521,840.45 × 131,773.32
  4. Step 4: Simplify right side
    347,849.91x = 68,764,648,606.79
  5. Step 5: Solve for x
    x = 68,764,648,606.79/347,849.91
  6. Step 6: Final answer
    x = 197,684.83

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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.