Home / 101,844.20-152,707.09-68,148.72

Finding the Fourth Proportional to 101,844.20, 152,707.09 and 68,148.72

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Solution

The fourth proportional to 101,844.20, 152,707.09 and 68,148.72 is: 102,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,844.20 : 152,707.09 = 68,148.72 : x
  2. Step 2: Convert to fraction form
    101,844.20/152,707.09 = 68,148.72/x
  3. Step 3: Cross multiply
    101,844.20x = 152,707.09 × 68,148.72
  4. Step 4: Simplify right side
    101,844.20x = 10,406,792,718.42
  5. Step 5: Solve for x
    x = 10,406,792,718.42/101,844.20
  6. Step 6: Final answer
    x = 102,183.46

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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.