Home / 102,187.64-141,016.85-63,968.26

Finding the Fourth Proportional to 102,187.64, 141,016.85 and 63,968.26

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Solution

The fourth proportional to 102,187.64, 141,016.85 and 63,968.26 is: 88,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,187.64 : 141,016.85 = 63,968.26 : x
  2. Step 2: Convert to fraction form
    102,187.64/141,016.85 = 63,968.26/x
  3. Step 3: Cross multiply
    102,187.64x = 141,016.85 × 63,968.26
  4. Step 4: Simplify right side
    102,187.64x = 9,020,603,245.72
  5. Step 5: Solve for x
    x = 9,020,603,245.72/102,187.64
  6. Step 6: Final answer
    x = 88,274.90

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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.