Home / 121,346.08-167,466-73,601.44

Finding the Fourth Proportional to 121,346.08, 167,466 and 73,601.44

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Solution

The fourth proportional to 121,346.08, 167,466 and 73,601.44 is: 101,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,346.08 : 167,466 = 73,601.44 : x
  2. Step 2: Convert to fraction form
    121,346.08/167,466 = 73,601.44/x
  3. Step 3: Cross multiply
    121,346.08x = 167,466 × 73,601.44
  4. Step 4: Simplify right side
    121,346.08x = 12,325,738,751.04
  5. Step 5: Solve for x
    x = 12,325,738,751.04/121,346.08
  6. Step 6: Final answer
    x = 101,575.09

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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.