Home / 268,073.39-402,187.91-108,066.75

Finding the Fourth Proportional to 268,073.39, 402,187.91 and 108,066.75

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Solution

The fourth proportional to 268,073.39, 402,187.91 and 108,066.75 is: 162,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,073.39 : 402,187.91 = 108,066.75 : x
  2. Step 2: Convert to fraction form
    268,073.39/402,187.91 = 108,066.75/x
  3. Step 3: Cross multiply
    268,073.39x = 402,187.91 × 108,066.75
  4. Step 4: Simplify right side
    268,073.39x = 43,463,139,317.52
  5. Step 5: Solve for x
    x = 43,463,139,317.52/268,073.39
  6. Step 6: Final answer
    x = 162,131.50

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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.