Home / 150,076.90-207,097.41-82,081.18

Finding the Fourth Proportional to 150,076.90, 207,097.41 and 82,081.18

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Solution

The fourth proportional to 150,076.90, 207,097.41 and 82,081.18 is: 113,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,076.90 : 207,097.41 = 82,081.18 : x
  2. Step 2: Convert to fraction form
    150,076.90/207,097.41 = 82,081.18/x
  3. Step 3: Cross multiply
    150,076.90x = 207,097.41 × 82,081.18
  4. Step 4: Simplify right side
    150,076.90x = 16,998,799,787.74
  5. Step 5: Solve for x
    x = 16,998,799,787.74/150,076.90
  6. Step 6: Final answer
    x = 113,267.26

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1.5x scale

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.