Home / 120,617.08-167,213.94-114,218.30

Finding the Fourth Proportional to 120,617.08, 167,213.94 and 114,218.30

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Solution

The fourth proportional to 120,617.08, 167,213.94 and 114,218.30 is: 158,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617.08 : 167,213.94 = 114,218.30 : x
  2. Step 2: Convert to fraction form
    120,617.08/167,213.94 = 114,218.30/x
  3. Step 3: Cross multiply
    120,617.08x = 167,213.94 × 114,218.30
  4. Step 4: Simplify right side
    120,617.08x = 19,098,891,963.10
  5. Step 5: Solve for x
    x = 19,098,891,963.10/120,617.08
  6. Step 6: Final answer
    x = 158,343.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.