Home / 100,607.08-150,915.66-38,282.44

Finding the Fourth Proportional to 100,607.08, 150,915.66 and 38,282.44

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Solution

The fourth proportional to 100,607.08, 150,915.66 and 38,282.44 is: 57,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,607.08 : 150,915.66 = 38,282.44 : x
  2. Step 2: Convert to fraction form
    100,607.08/150,915.66 = 38,282.44/x
  3. Step 3: Cross multiply
    100,607.08x = 150,915.66 × 38,282.44
  4. Step 4: Simplify right side
    100,607.08x = 5,777,419,699.01
  5. Step 5: Solve for x
    x = 5,777,419,699.01/100,607.08
  6. Step 6: Final answer
    x = 57,425.58

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1.5x scale

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.