Home / 294,540.02-441,835.61-81,308.09

Finding the Fourth Proportional to 294,540.02, 441,835.61 and 81,308.09

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Solution

The fourth proportional to 294,540.02, 441,835.61 and 81,308.09 is: 121,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,540.02 : 441,835.61 = 81,308.09 : x
  2. Step 2: Convert to fraction form
    294,540.02/441,835.61 = 81,308.09/x
  3. Step 3: Cross multiply
    294,540.02x = 441,835.61 × 81,308.09
  4. Step 4: Simplify right side
    294,540.02x = 35,924,810,241.13
  5. Step 5: Solve for x
    x = 35,924,810,241.13/294,540.02
  6. Step 6: Final answer
    x = 121,969.20

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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.