Home / 133,058.30-199,318.65-82,984.70

Finding the Fourth Proportional to 133,058.30, 199,318.65 and 82,984.70

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Solution

The fourth proportional to 133,058.30, 199,318.65 and 82,984.70 is: 124,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.30 : 199,318.65 = 82,984.70 : x
  2. Step 2: Convert to fraction form
    133,058.30/199,318.65 = 82,984.70/x
  3. Step 3: Cross multiply
    133,058.30x = 199,318.65 × 82,984.70
  4. Step 4: Simplify right side
    133,058.30x = 16,540,398,374.66
  5. Step 5: Solve for x
    x = 16,540,398,374.66/133,058.30
  6. Step 6: Final answer
    x = 124,309.41

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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.