Home / 294,538.63-441,799.11-81,319.55

Finding the Fourth Proportional to 294,538.63, 441,799.11 and 81,319.55

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Solution

The fourth proportional to 294,538.63, 441,799.11 and 81,319.55 is: 121,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,538.63 : 441,799.11 = 81,319.55 : x
  2. Step 2: Convert to fraction form
    294,538.63/441,799.11 = 81,319.55/x
  3. Step 3: Cross multiply
    294,538.63x = 441,799.11 × 81,319.55
  4. Step 4: Simplify right side
    294,538.63x = 35,926,905,716.80
  5. Step 5: Solve for x
    x = 35,926,905,716.80/294,538.63
  6. Step 6: Final answer
    x = 121,976.89

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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.