Home / 120,618.08-167,215.33-114,219.30

Finding the Fourth Proportional to 120,618.08, 167,215.33 and 114,219.30

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Solution

The fourth proportional to 120,618.08, 167,215.33 and 114,219.30 is: 158,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,618.08 : 167,215.33 = 114,219.30 : x
  2. Step 2: Convert to fraction form
    120,618.08/167,215.33 = 114,219.30/x
  3. Step 3: Cross multiply
    120,618.08x = 167,215.33 × 114,219.30
  4. Step 4: Simplify right side
    120,618.08x = 19,099,217,941.87
  5. Step 5: Solve for x
    x = 19,099,217,941.87/120,618.08
  6. Step 6: Final answer
    x = 158,344.57

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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.