Home / 136,212.10-204,274.17-49,645.66

Finding the Fourth Proportional to 136,212.10, 204,274.17 and 49,645.66

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Solution

The fourth proportional to 136,212.10, 204,274.17 and 49,645.66 is: 74,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212.10 : 204,274.17 = 49,645.66 : x
  2. Step 2: Convert to fraction form
    136,212.10/204,274.17 = 49,645.66/x
  3. Step 3: Cross multiply
    136,212.10x = 204,274.17 × 49,645.66
  4. Step 4: Simplify right side
    136,212.10x = 10,141,325,990.60
  5. Step 5: Solve for x
    x = 10,141,325,990.60/136,212.10
  6. Step 6: Final answer
    x = 74,452.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.