Home / 101,560.16-152,257.62-68,178.44

Finding the Fourth Proportional to 101,560.16, 152,257.62 and 68,178.44

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Solution

The fourth proportional to 101,560.16, 152,257.62 and 68,178.44 is: 102,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,560.16 : 152,257.62 = 68,178.44 : x
  2. Step 2: Convert to fraction form
    101,560.16/152,257.62 = 68,178.44/x
  3. Step 3: Cross multiply
    101,560.16x = 152,257.62 × 68,178.44
  4. Step 4: Simplify right side
    101,560.16x = 10,380,687,009.71
  5. Step 5: Solve for x
    x = 10,380,687,009.71/101,560.16
  6. Step 6: Final answer
    x = 102,212.20

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1.5x scale

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.