Home / 120,616.08-167,212.55-114,217.30

Finding the Fourth Proportional to 120,616.08, 167,212.55 and 114,217.30

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Solution

The fourth proportional to 120,616.08, 167,212.55 and 114,217.30 is: 158,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,616.08 : 167,212.55 = 114,217.30 : x
  2. Step 2: Convert to fraction form
    120,616.08/167,212.55 = 114,217.30/x
  3. Step 3: Cross multiply
    120,616.08x = 167,212.55 × 114,217.30
  4. Step 4: Simplify right side
    120,616.08x = 19,098,565,987.12
  5. Step 5: Solve for x
    x = 19,098,565,987.12/120,616.08
  6. Step 6: Final answer
    x = 158,341.79

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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.