Home / 154,050.98-212,553.92-89,481.84

Finding the Fourth Proportional to 154,050.98, 212,553.92 and 89,481.84

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Solution

The fourth proportional to 154,050.98, 212,553.92 and 89,481.84 is: 123,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,050.98 : 212,553.92 = 89,481.84 : x
  2. Step 2: Convert to fraction form
    154,050.98/212,553.92 = 89,481.84/x
  3. Step 3: Cross multiply
    154,050.98x = 212,553.92 × 89,481.84
  4. Step 4: Simplify right side
    154,050.98x = 19,019,715,413.40
  5. Step 5: Solve for x
    x = 19,019,715,413.40/154,050.98
  6. Step 6: Final answer
    x = 123,463.78

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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.