Home / 199,565.36-298,438.64-148,999.76

Finding the Fourth Proportional to 199,565.36, 298,438.64 and 148,999.76

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Solution

The fourth proportional to 199,565.36, 298,438.64 and 148,999.76 is: 222,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,565.36 : 298,438.64 = 148,999.76 : x
  2. Step 2: Convert to fraction form
    199,565.36/298,438.64 = 148,999.76/x
  3. Step 3: Cross multiply
    199,565.36x = 298,438.64 × 148,999.76
  4. Step 4: Simplify right side
    199,565.36x = 44,467,285,734.73
  5. Step 5: Solve for x
    x = 44,467,285,734.73/199,565.36
  6. Step 6: Final answer
    x = 222,820.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.