Home / 347,659.90-521,723.57-123,019.43

Finding the Fourth Proportional to 347,659.90, 521,723.57 and 123,019.43

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Solution

The fourth proportional to 347,659.90, 521,723.57 and 123,019.43 is: 184,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,659.90 : 521,723.57 = 123,019.43 : x
  2. Step 2: Convert to fraction form
    347,659.90/521,723.57 = 123,019.43/x
  3. Step 3: Cross multiply
    347,659.90x = 521,723.57 × 123,019.43
  4. Step 4: Simplify right side
    347,659.90x = 64,182,132,975.25
  5. Step 5: Solve for x
    x = 64,182,132,975.25/347,659.90
  6. Step 6: Final answer
    x = 184,611.84

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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.