Home / 141,066.22-211,550.46-66,221.68

Finding the Fourth Proportional to 141,066.22, 211,550.46 and 66,221.68

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Solution

The fourth proportional to 141,066.22, 211,550.46 and 66,221.68 is: 99,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,066.22 : 211,550.46 = 66,221.68 : x
  2. Step 2: Convert to fraction form
    141,066.22/211,550.46 = 66,221.68/x
  3. Step 3: Cross multiply
    141,066.22x = 211,550.46 × 66,221.68
  4. Step 4: Simplify right side
    141,066.22x = 14,009,226,865.97
  5. Step 5: Solve for x
    x = 14,009,226,865.97/141,066.22
  6. Step 6: Final answer
    x = 99,309.58

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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.