Home / 133,072.38-199,712.85-92,829.61

Finding the Fourth Proportional to 133,072.38, 199,712.85 and 92,829.61

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Solution

The fourth proportional to 133,072.38, 199,712.85 and 92,829.61 is: 139,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072.38 : 199,712.85 = 92,829.61 : x
  2. Step 2: Convert to fraction form
    133,072.38/199,712.85 = 92,829.61/x
  3. Step 3: Cross multiply
    133,072.38x = 199,712.85 × 92,829.61
  4. Step 4: Simplify right side
    133,072.38x = 18,539,265,478.21
  5. Step 5: Solve for x
    x = 18,539,265,478.21/133,072.38
  6. Step 6: Final answer
    x = 139,317.16

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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.