Home / 150,431.01-207,594.77-82,450.17

Finding the Fourth Proportional to 150,431.01, 207,594.77 and 82,450.17

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Solution

The fourth proportional to 150,431.01, 207,594.77 and 82,450.17 is: 113,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,431.01 : 207,594.77 = 82,450.17 : x
  2. Step 2: Convert to fraction form
    150,431.01/207,594.77 = 82,450.17/x
  3. Step 3: Cross multiply
    150,431.01x = 207,594.77 × 82,450.17
  4. Step 4: Simplify right side
    150,431.01x = 17,116,222,963.49
  5. Step 5: Solve for x
    x = 17,116,222,963.49/150,431.01
  6. Step 6: Final answer
    x = 113,781.21

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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.