Home / 347,447.26-521,176.36-137,083.38

Finding the Fourth Proportional to 347,447.26, 521,176.36 and 137,083.38

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Solution

The fourth proportional to 347,447.26, 521,176.36 and 137,083.38 is: 205,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,447.26 : 521,176.36 = 137,083.38 : x
  2. Step 2: Convert to fraction form
    347,447.26/521,176.36 = 137,083.38/x
  3. Step 3: Cross multiply
    347,447.26x = 521,176.36 × 137,083.38
  4. Step 4: Simplify right side
    347,447.26x = 71,444,617,004.90
  5. Step 5: Solve for x
    x = 71,444,617,004.90/347,447.26
  6. Step 6: Final answer
    x = 205,627.23

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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.