Home / 150,634.67-207,883.38-86,107.23

Finding the Fourth Proportional to 150,634.67, 207,883.38 and 86,107.23

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Solution

The fourth proportional to 150,634.67, 207,883.38 and 86,107.23 is: 118,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,634.67 : 207,883.38 = 86,107.23 : x
  2. Step 2: Convert to fraction form
    150,634.67/207,883.38 = 86,107.23/x
  3. Step 3: Cross multiply
    150,634.67x = 207,883.38 × 86,107.23
  4. Step 4: Simplify right side
    150,634.67x = 17,900,262,014.84
  5. Step 5: Solve for x
    x = 17,900,262,014.84/150,634.67
  6. Step 6: Final answer
    x = 118,832.29

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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.