Home / 106,271.39-159,232.13-74,253.71

Finding the Fourth Proportional to 106,271.39, 159,232.13 and 74,253.71

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Solution

The fourth proportional to 106,271.39, 159,232.13 and 74,253.71 is: 111,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,271.39 : 159,232.13 = 74,253.71 : x
  2. Step 2: Convert to fraction form
    106,271.39/159,232.13 = 74,253.71/x
  3. Step 3: Cross multiply
    106,271.39x = 159,232.13 × 74,253.71
  4. Step 4: Simplify right side
    106,271.39x = 11,823,576,708.97
  5. Step 5: Solve for x
    x = 11,823,576,708.97/106,271.39
  6. Step 6: Final answer
    x = 111,258.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.