Home / 121,706.22-167,942.34-70,021.92

Finding the Fourth Proportional to 121,706.22, 167,942.34 and 70,021.92

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Solution

The fourth proportional to 121,706.22, 167,942.34 and 70,021.92 is: 96,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,706.22 : 167,942.34 = 70,021.92 : x
  2. Step 2: Convert to fraction form
    121,706.22/167,942.34 = 70,021.92/x
  3. Step 3: Cross multiply
    121,706.22x = 167,942.34 × 70,021.92
  4. Step 4: Simplify right side
    121,706.22x = 11,759,645,096.09
  5. Step 5: Solve for x
    x = 11,759,645,096.09/121,706.22
  6. Step 6: Final answer
    x = 96,623.21

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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.