Home / 150,492.46-207,681.94-82,515.64

Finding the Fourth Proportional to 150,492.46, 207,681.94 and 82,515.64

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Solution

The fourth proportional to 150,492.46, 207,681.94 and 82,515.64 is: 113,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,492.46 : 207,681.94 = 82,515.64 : x
  2. Step 2: Convert to fraction form
    150,492.46/207,681.94 = 82,515.64/x
  3. Step 3: Cross multiply
    150,492.46x = 207,681.94 × 82,515.64
  4. Step 4: Simplify right side
    150,492.46x = 17,137,008,195.54
  5. Step 5: Solve for x
    x = 17,137,008,195.54/150,492.46
  6. Step 6: Final answer
    x = 113,872.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.