Home / 145,383.22-218,019.48-95,449.96

Finding the Fourth Proportional to 145,383.22, 218,019.48 and 95,449.96

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Solution

The fourth proportional to 145,383.22, 218,019.48 and 95,449.96 is: 143,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,383.22 : 218,019.48 = 95,449.96 : x
  2. Step 2: Convert to fraction form
    145,383.22/218,019.48 = 95,449.96/x
  3. Step 3: Cross multiply
    145,383.22x = 218,019.48 × 95,449.96
  4. Step 4: Simplify right side
    145,383.22x = 20,809,950,645.22
  5. Step 5: Solve for x
    x = 20,809,950,645.22/145,383.22
  6. Step 6: Final answer
    x = 143,138.60

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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.