Home / 152,736.66-229,012.92-68,481.60

Finding the Fourth Proportional to 152,736.66, 229,012.92 and 68,481.60

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Solution

The fourth proportional to 152,736.66, 229,012.92 and 68,481.60 is: 102,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,736.66 : 229,012.92 = 68,481.60 : x
  2. Step 2: Convert to fraction form
    152,736.66/229,012.92 = 68,481.60/x
  3. Step 3: Cross multiply
    152,736.66x = 229,012.92 × 68,481.60
  4. Step 4: Simplify right side
    152,736.66x = 15,683,171,182.27
  5. Step 5: Solve for x
    x = 15,683,171,182.27/152,736.66
  6. Step 6: Final answer
    x = 102,681.12

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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.