Home / 115,996.94-160,068.20-68,241.06

Finding the Fourth Proportional to 115,996.94, 160,068.20 and 68,241.06

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Solution

The fourth proportional to 115,996.94, 160,068.20 and 68,241.06 is: 94,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,996.94 : 160,068.20 = 68,241.06 : x
  2. Step 2: Convert to fraction form
    115,996.94/160,068.20 = 68,241.06/x
  3. Step 3: Cross multiply
    115,996.94x = 160,068.20 × 68,241.06
  4. Step 4: Simplify right side
    115,996.94x = 10,923,223,640.29
  5. Step 5: Solve for x
    x = 10,923,223,640.29/115,996.94
  6. Step 6: Final answer
    x = 94,168.21

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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.