Home / 103,464.90-154,933.83-68,297.22

Finding the Fourth Proportional to 103,464.90, 154,933.83 and 68,297.22

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Solution

The fourth proportional to 103,464.90, 154,933.83 and 68,297.22 is: 102,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.90 : 154,933.83 = 68,297.22 : x
  2. Step 2: Convert to fraction form
    103,464.90/154,933.83 = 68,297.22/x
  3. Step 3: Cross multiply
    103,464.90x = 154,933.83 × 68,297.22
  4. Step 4: Simplify right side
    103,464.90x = 10,581,549,872.95
  5. Step 5: Solve for x
    x = 10,581,549,872.95/103,464.90
  6. Step 6: Final answer
    x = 102,271.88

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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.