Home / 294,921.90-442,334.25-126,469.44

Finding the Fourth Proportional to 294,921.90, 442,334.25 and 126,469.44

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Solution

The fourth proportional to 294,921.90, 442,334.25 and 126,469.44 is: 189,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,921.90 : 442,334.25 = 126,469.44 : x
  2. Step 2: Convert to fraction form
    294,921.90/442,334.25 = 126,469.44/x
  3. Step 3: Cross multiply
    294,921.90x = 442,334.25 × 126,469.44
  4. Step 4: Simplify right side
    294,921.90x = 55,941,764,890.32
  5. Step 5: Solve for x
    x = 55,941,764,890.32/294,921.90
  6. Step 6: Final answer
    x = 189,683.32

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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.