Home / 112,197.36-154,821.60-61,893.12

Finding the Fourth Proportional to 112,197.36, 154,821.60 and 61,893.12

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Solution

The fourth proportional to 112,197.36, 154,821.60 and 61,893.12 is: 85,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.36 : 154,821.60 = 61,893.12 : x
  2. Step 2: Convert to fraction form
    112,197.36/154,821.60 = 61,893.12/x
  3. Step 3: Cross multiply
    112,197.36x = 154,821.60 × 61,893.12
  4. Step 4: Simplify right side
    112,197.36x = 9,582,391,867.39
  5. Step 5: Solve for x
    x = 9,582,391,867.39/112,197.36
  6. Step 6: Final answer
    x = 85,406.57

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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.