Home / 160,734.14-221,809.69-92,745.78

Finding the Fourth Proportional to 160,734.14, 221,809.69 and 92,745.78

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Solution

The fourth proportional to 160,734.14, 221,809.69 and 92,745.78 is: 127,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,734.14 : 221,809.69 = 92,745.78 : x
  2. Step 2: Convert to fraction form
    160,734.14/221,809.69 = 92,745.78/x
  3. Step 3: Cross multiply
    160,734.14x = 221,809.69 × 92,745.78
  4. Step 4: Simplify right side
    160,734.14x = 20,571,912,710.61
  5. Step 5: Solve for x
    x = 20,571,912,710.61/160,734.14
  6. Step 6: Final answer
    x = 127,987.20

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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.