Home / 121,214.44-167,272.12-67,498.32

Finding the Fourth Proportional to 121,214.44, 167,272.12 and 67,498.32

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Solution

The fourth proportional to 121,214.44, 167,272.12 and 67,498.32 is: 93,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.44 : 167,272.12 = 67,498.32 : x
  2. Step 2: Convert to fraction form
    121,214.44/167,272.12 = 67,498.32/x
  3. Step 3: Cross multiply
    121,214.44x = 167,272.12 × 67,498.32
  4. Step 4: Simplify right side
    121,214.44x = 11,290,587,082.84
  5. Step 5: Solve for x
    x = 11,290,587,082.84/121,214.44
  6. Step 6: Final answer
    x = 93,145.56

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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.