Home / 103,340.73-154,971.25-40,152.54

Finding the Fourth Proportional to 103,340.73, 154,971.25 and 40,152.54

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Solution

The fourth proportional to 103,340.73, 154,971.25 and 40,152.54 is: 60,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,340.73 : 154,971.25 = 40,152.54 : x
  2. Step 2: Convert to fraction form
    103,340.73/154,971.25 = 40,152.54/x
  3. Step 3: Cross multiply
    103,340.73x = 154,971.25 × 40,152.54
  4. Step 4: Simplify right side
    103,340.73x = 6,222,489,214.09
  5. Step 5: Solve for x
    x = 6,222,489,214.09/103,340.73
  6. Step 6: Final answer
    x = 60,213.33

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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.