Home / 121,236.08-167,299.44-67,520.12

Finding the Fourth Proportional to 121,236.08, 167,299.44 and 67,520.12

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Solution

The fourth proportional to 121,236.08, 167,299.44 and 67,520.12 is: 93,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,236.08 : 167,299.44 = 67,520.12 : x
  2. Step 2: Convert to fraction form
    121,236.08/167,299.44 = 67,520.12/x
  3. Step 3: Cross multiply
    121,236.08x = 167,299.44 × 67,520.12
  4. Step 4: Simplify right side
    121,236.08x = 11,296,078,264.73
  5. Step 5: Solve for x
    x = 11,296,078,264.73/121,236.08
  6. Step 6: Final answer
    x = 93,174.23

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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.