Home / 117,247.29-161,793.57-74,801.25

Finding the Fourth Proportional to 117,247.29, 161,793.57 and 74,801.25

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Solution

The fourth proportional to 117,247.29, 161,793.57 and 74,801.25 is: 103,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,247.29 : 161,793.57 = 74,801.25 : x
  2. Step 2: Convert to fraction form
    117,247.29/161,793.57 = 74,801.25/x
  3. Step 3: Cross multiply
    117,247.29x = 161,793.57 × 74,801.25
  4. Step 4: Simplify right side
    117,247.29x = 12,102,361,277.96
  5. Step 5: Solve for x
    x = 12,102,361,277.96/117,247.29
  6. Step 6: Final answer
    x = 103,220.82

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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.