Home / 138,056.50-207,106.66-44,540.38

Finding the Fourth Proportional to 138,056.50, 207,106.66 and 44,540.38

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Solution

The fourth proportional to 138,056.50, 207,106.66 and 44,540.38 is: 66,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,056.50 : 207,106.66 = 44,540.38 : x
  2. Step 2: Convert to fraction form
    138,056.50/207,106.66 = 44,540.38/x
  3. Step 3: Cross multiply
    138,056.50x = 207,106.66 × 44,540.38
  4. Step 4: Simplify right side
    138,056.50x = 9,224,609,336.93
  5. Step 5: Solve for x
    x = 9,224,609,336.93/138,056.50
  6. Step 6: Final answer
    x = 66,817.64

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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.