Home / 121,196.16-167,107.68-82,974.24

Finding the Fourth Proportional to 121,196.16, 167,107.68 and 82,974.24

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Solution

The fourth proportional to 121,196.16, 167,107.68 and 82,974.24 is: 114,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,196.16 : 167,107.68 = 82,974.24 : x
  2. Step 2: Convert to fraction form
    121,196.16/167,107.68 = 82,974.24/x
  3. Step 3: Cross multiply
    121,196.16x = 167,107.68 × 82,974.24
  4. Step 4: Simplify right side
    121,196.16x = 13,865,632,746.16
  5. Step 5: Solve for x
    x = 13,865,632,746.16/121,196.16
  6. Step 6: Final answer
    x = 114,406.54

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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.