Home / 115,334.28-159,163.38-67,601.16

Finding the Fourth Proportional to 115,334.28, 159,163.38 and 67,601.16

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Solution

The fourth proportional to 115,334.28, 159,163.38 and 67,601.16 is: 93,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,334.28 : 159,163.38 = 67,601.16 : x
  2. Step 2: Convert to fraction form
    115,334.28/159,163.38 = 67,601.16/x
  3. Step 3: Cross multiply
    115,334.28x = 159,163.38 × 67,601.16
  4. Step 4: Simplify right side
    115,334.28x = 10,759,629,117.52
  5. Step 5: Solve for x
    x = 10,759,629,117.52/115,334.28
  6. Step 6: Final answer
    x = 93,290.82

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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.