Home / 111,734.29-154,185.28-63,986.41

Finding the Fourth Proportional to 111,734.29, 154,185.28 and 63,986.41

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Solution

The fourth proportional to 111,734.29, 154,185.28 and 63,986.41 is: 88,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,734.29 : 154,185.28 = 63,986.41 : x
  2. Step 2: Convert to fraction form
    111,734.29/154,185.28 = 63,986.41/x
  3. Step 3: Cross multiply
    111,734.29x = 154,185.28 × 63,986.41
  4. Step 4: Simplify right side
    111,734.29x = 9,865,762,542.04
  5. Step 5: Solve for x
    x = 9,865,762,542.04/111,734.29
  6. Step 6: Final answer
    x = 88,296.64

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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.