Home / 146,447.18-219,591.77-66,441.49

Finding the Fourth Proportional to 146,447.18, 219,591.77 and 66,441.49

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Solution

The fourth proportional to 146,447.18, 219,591.77 and 66,441.49 is: 99,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,447.18 : 219,591.77 = 66,441.49 : x
  2. Step 2: Convert to fraction form
    146,447.18/219,591.77 = 66,441.49/x
  3. Step 3: Cross multiply
    146,447.18x = 219,591.77 × 66,441.49
  4. Step 4: Simplify right side
    146,447.18x = 14,590,003,595.93
  5. Step 5: Solve for x
    x = 14,590,003,595.93/146,447.18
  6. Step 6: Final answer
    x = 99,626.39

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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.