Home / 148,677.20-205,081.22-88,205.03

Finding the Fourth Proportional to 148,677.20, 205,081.22 and 88,205.03

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Solution

The fourth proportional to 148,677.20, 205,081.22 and 88,205.03 is: 121,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,677.20 : 205,081.22 = 88,205.03 : x
  2. Step 2: Convert to fraction form
    148,677.20/205,081.22 = 88,205.03/x
  3. Step 3: Cross multiply
    148,677.20x = 205,081.22 × 88,205.03
  4. Step 4: Simplify right side
    148,677.20x = 18,089,195,234.21
  5. Step 5: Solve for x
    x = 18,089,195,234.21/148,677.20
  6. Step 6: Final answer
    x = 121,667.58

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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.