Home / 103,464.15-154,932.71-68,296.47

Finding the Fourth Proportional to 103,464.15, 154,932.71 and 68,296.47

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Solution

The fourth proportional to 103,464.15, 154,932.71 and 68,296.47 is: 102,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.15 : 154,932.71 = 68,296.47 : x
  2. Step 2: Convert to fraction form
    103,464.15/154,932.71 = 68,296.47/x
  3. Step 3: Cross multiply
    103,464.15x = 154,932.71 × 68,296.47
  4. Step 4: Simplify right side
    103,464.15x = 10,581,356,839.05
  5. Step 5: Solve for x
    x = 10,581,356,839.05/103,464.15
  6. Step 6: Final answer
    x = 102,270.76

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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.