Home / 111,087.16-153,161.22-92,716.64

Finding the Fourth Proportional to 111,087.16, 153,161.22 and 92,716.64

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Solution

The fourth proportional to 111,087.16, 153,161.22 and 92,716.64 is: 127,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,087.16 : 153,161.22 = 92,716.64 : x
  2. Step 2: Convert to fraction form
    111,087.16/153,161.22 = 92,716.64/x
  3. Step 3: Cross multiply
    111,087.16x = 153,161.22 × 92,716.64
  4. Step 4: Simplify right side
    111,087.16x = 14,200,593,696.70
  5. Step 5: Solve for x
    x = 14,200,593,696.70/111,087.16
  6. Step 6: Final answer
    x = 127,832.90

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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.