Home / 268,564.95-402,846.71-100,081.44

Finding the Fourth Proportional to 268,564.95, 402,846.71 and 100,081.44

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Solution

The fourth proportional to 268,564.95, 402,846.71 and 100,081.44 is: 150,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,564.95 : 402,846.71 = 100,081.44 : x
  2. Step 2: Convert to fraction form
    268,564.95/402,846.71 = 100,081.44/x
  3. Step 3: Cross multiply
    268,564.95x = 402,846.71 × 100,081.44
  4. Step 4: Simplify right side
    268,564.95x = 40,317,478,335.66
  5. Step 5: Solve for x
    x = 40,317,478,335.66/268,564.95
  6. Step 6: Final answer
    x = 150,121.89

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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.