Home / 159,205.16-238,610.91-80,341.94

Finding the Fourth Proportional to 159,205.16, 238,610.91 and 80,341.94

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Solution

The fourth proportional to 159,205.16, 238,610.91 and 80,341.94 is: 120,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,205.16 : 238,610.91 = 80,341.94 : x
  2. Step 2: Convert to fraction form
    159,205.16/238,610.91 = 80,341.94/x
  3. Step 3: Cross multiply
    159,205.16x = 238,610.91 × 80,341.94
  4. Step 4: Simplify right side
    159,205.16x = 19,170,463,414.57
  5. Step 5: Solve for x
    x = 19,170,463,414.57/159,205.16
  6. Step 6: Final answer
    x = 120,413.58

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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.