Home / 100,266.36-150,224.58-89,418.84

Finding the Fourth Proportional to 100,266.36, 150,224.58 and 89,418.84

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Solution

The fourth proportional to 100,266.36, 150,224.58 and 89,418.84 is: 133,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,266.36 : 150,224.58 = 89,418.84 : x
  2. Step 2: Convert to fraction form
    100,266.36/150,224.58 = 89,418.84/x
  3. Step 3: Cross multiply
    100,266.36x = 150,224.58 × 89,418.84
  4. Step 4: Simplify right side
    100,266.36x = 13,432,907,683.09
  5. Step 5: Solve for x
    x = 13,432,907,683.09/100,266.36
  6. Step 6: Final answer
    x = 133,972.23

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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.