Home / 121,611.77-167,452.70-110,207.04

Finding the Fourth Proportional to 121,611.77, 167,452.70 and 110,207.04

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Solution

The fourth proportional to 121,611.77, 167,452.70 and 110,207.04 is: 151,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,611.77 : 167,452.70 = 110,207.04 : x
  2. Step 2: Convert to fraction form
    121,611.77/167,452.70 = 110,207.04/x
  3. Step 3: Cross multiply
    121,611.77x = 167,452.70 × 110,207.04
  4. Step 4: Simplify right side
    121,611.77x = 18,454,465,847.94
  5. Step 5: Solve for x
    x = 18,454,465,847.94/121,611.77
  6. Step 6: Final answer
    x = 151,749.01

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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.