Home / 166,630.20-249,945.30-73,135.95

Finding the Fourth Proportional to 166,630.20, 249,945.30 and 73,135.95

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Solution

The fourth proportional to 166,630.20, 249,945.30 and 73,135.95 is: 109,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,630.20 : 249,945.30 = 73,135.95 : x
  2. Step 2: Convert to fraction form
    166,630.20/249,945.30 = 73,135.95/x
  3. Step 3: Cross multiply
    166,630.20x = 249,945.30 × 73,135.95
  4. Step 4: Simplify right side
    166,630.20x = 18,279,986,963.54
  5. Step 5: Solve for x
    x = 18,279,986,963.54/166,630.20
  6. Step 6: Final answer
    x = 109,703.93

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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.