Home / 154,413.06-231,638.27-54,552.82

Finding the Fourth Proportional to 154,413.06, 231,638.27 and 54,552.82

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Solution

The fourth proportional to 154,413.06, 231,638.27 and 54,552.82 is: 81,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,413.06 : 231,638.27 = 54,552.82 : x
  2. Step 2: Convert to fraction form
    154,413.06/231,638.27 = 54,552.82/x
  3. Step 3: Cross multiply
    154,413.06x = 231,638.27 × 54,552.82
  4. Step 4: Simplify right side
    154,413.06x = 12,636,519,690.23
  5. Step 5: Solve for x
    x = 12,636,519,690.23/154,413.06
  6. Step 6: Final answer
    x = 81,835.82

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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.