Home / 294,538.76-441,799.31-81,319.66

Finding the Fourth Proportional to 294,538.76, 441,799.31 and 81,319.66

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Solution

The fourth proportional to 294,538.76, 441,799.31 and 81,319.66 is: 121,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,538.76 : 441,799.31 = 81,319.66 : x
  2. Step 2: Convert to fraction form
    294,538.76/441,799.31 = 81,319.66/x
  3. Step 3: Cross multiply
    294,538.76x = 441,799.31 × 81,319.66
  4. Step 4: Simplify right side
    294,538.76x = 35,926,967,468.44
  5. Step 5: Solve for x
    x = 35,926,967,468.44/294,538.76
  6. Step 6: Final answer
    x = 121,977.05

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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.