Home / 158,839.44-219,199.08-86,242.56

Finding the Fourth Proportional to 158,839.44, 219,199.08 and 86,242.56

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Solution

The fourth proportional to 158,839.44, 219,199.08 and 86,242.56 is: 119,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,839.44 : 219,199.08 = 86,242.56 : x
  2. Step 2: Convert to fraction form
    158,839.44/219,199.08 = 86,242.56/x
  3. Step 3: Cross multiply
    158,839.44x = 219,199.08 × 86,242.56
  4. Step 4: Simplify right side
    158,839.44x = 18,904,289,808.84
  5. Step 5: Solve for x
    x = 18,904,289,808.84/158,839.44
  6. Step 6: Final answer
    x = 119,015.09

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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.