Home / 220,413.83-304,167.71-123,617.66

Finding the Fourth Proportional to 220,413.83, 304,167.71 and 123,617.66

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Solution

The fourth proportional to 220,413.83, 304,167.71 and 123,617.66 is: 170,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,413.83 : 304,167.71 = 123,617.66 : x
  2. Step 2: Convert to fraction form
    220,413.83/304,167.71 = 123,617.66/x
  3. Step 3: Cross multiply
    220,413.83x = 304,167.71 × 123,617.66
  4. Step 4: Simplify right side
    220,413.83x = 37,600,500,361.56
  5. Step 5: Solve for x
    x = 37,600,500,361.56/220,413.83
  6. Step 6: Final answer
    x = 170,590.48

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1.5x scale

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.