Home / 121,492.26-167,630.13-73,736.64

Finding the Fourth Proportional to 121,492.26, 167,630.13 and 73,736.64

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Solution

The fourth proportional to 121,492.26, 167,630.13 and 73,736.64 is: 101,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,492.26 : 167,630.13 = 73,736.64 : x
  2. Step 2: Convert to fraction form
    121,492.26/167,630.13 = 73,736.64/x
  3. Step 3: Cross multiply
    121,492.26x = 167,630.13 × 73,736.64
  4. Step 4: Simplify right side
    121,492.26x = 12,360,482,548.96
  5. Step 5: Solve for x
    x = 12,360,482,548.96/121,492.26
  6. Step 6: Final answer
    x = 101,738.85

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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.