Home / 147,162.25-220,745.49-41,981.23

Finding the Fourth Proportional to 147,162.25, 220,745.49 and 41,981.23

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Solution

The fourth proportional to 147,162.25, 220,745.49 and 41,981.23 is: 62,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,162.25 : 220,745.49 = 41,981.23 : x
  2. Step 2: Convert to fraction form
    147,162.25/220,745.49 = 41,981.23/x
  3. Step 3: Cross multiply
    147,162.25x = 220,745.49 × 41,981.23
  4. Step 4: Simplify right side
    147,162.25x = 9,267,167,187.15
  5. Step 5: Solve for x
    x = 9,267,167,187.15/147,162.25
  6. Step 6: Final answer
    x = 62,972.45

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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.