Home / 199,076.47-274,723.21-108,432.16

Finding the Fourth Proportional to 199,076.47, 274,723.21 and 108,432.16

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Solution

The fourth proportional to 199,076.47, 274,723.21 and 108,432.16 is: 149,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,076.47 : 274,723.21 = 108,432.16 : x
  2. Step 2: Convert to fraction form
    199,076.47/274,723.21 = 108,432.16/x
  3. Step 3: Cross multiply
    199,076.47x = 274,723.21 × 108,432.16
  4. Step 4: Simplify right side
    199,076.47x = 29,788,831,062.43
  5. Step 5: Solve for x
    x = 29,788,831,062.43/199,076.47
  6. Step 6: Final answer
    x = 149,635.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.