Home / 109,356.16-150,912.03-61,610.26

Finding the Fourth Proportional to 109,356.16, 150,912.03 and 61,610.26

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Solution

The fourth proportional to 109,356.16, 150,912.03 and 61,610.26 is: 85,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,356.16 : 150,912.03 = 61,610.26 : x
  2. Step 2: Convert to fraction form
    109,356.16/150,912.03 = 61,610.26/x
  3. Step 3: Cross multiply
    109,356.16x = 150,912.03 × 61,610.26
  4. Step 4: Simplify right side
    109,356.16x = 9,297,729,405.43
  5. Step 5: Solve for x
    x = 9,297,729,405.43/109,356.16
  6. Step 6: Final answer
    x = 85,022.46

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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.