Home / 160,625.48-221,306.31-106,080.78

Finding the Fourth Proportional to 160,625.48, 221,306.31 and 106,080.78

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Solution

The fourth proportional to 160,625.48, 221,306.31 and 106,080.78 is: 146,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,625.48 : 221,306.31 = 106,080.78 : x
  2. Step 2: Convert to fraction form
    160,625.48/221,306.31 = 106,080.78/x
  3. Step 3: Cross multiply
    160,625.48x = 221,306.31 × 106,080.78
  4. Step 4: Simplify right side
    160,625.48x = 23,476,345,983.72
  5. Step 5: Solve for x
    x = 23,476,345,983.72/160,625.48
  6. Step 6: Final answer
    x = 146,155.81

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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.