Home / 148,906.08-205,396.56-88,433.64

Finding the Fourth Proportional to 148,906.08, 205,396.56 and 88,433.64

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Solution

The fourth proportional to 148,906.08, 205,396.56 and 88,433.64 is: 121,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,906.08 : 205,396.56 = 88,433.64 : x
  2. Step 2: Convert to fraction form
    148,906.08/205,396.56 = 88,433.64/x
  3. Step 3: Cross multiply
    148,906.08x = 205,396.56 × 88,433.64
  4. Step 4: Simplify right side
    148,906.08x = 18,163,965,444.28
  5. Step 5: Solve for x
    x = 18,163,965,444.28/148,906.08
  6. Step 6: Final answer
    x = 121,982.70

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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.