Home / 115,998.20-160,069.94-68,242.32

Finding the Fourth Proportional to 115,998.20, 160,069.94 and 68,242.32

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Solution

The fourth proportional to 115,998.20, 160,069.94 and 68,242.32 is: 94,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.20 : 160,069.94 = 68,242.32 : x
  2. Step 2: Convert to fraction form
    115,998.20/160,069.94 = 68,242.32/x
  3. Step 3: Cross multiply
    115,998.20x = 160,069.94 × 68,242.32
  4. Step 4: Simplify right side
    115,998.20x = 10,923,543,726.65
  5. Step 5: Solve for x
    x = 10,923,543,726.65/115,998.20
  6. Step 6: Final answer
    x = 94,169.94

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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.