Home / 137,648.76-206,453.70-44,142.36

Finding the Fourth Proportional to 137,648.76, 206,453.70 and 44,142.36

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Solution

The fourth proportional to 137,648.76, 206,453.70 and 44,142.36 is: 66,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,648.76 : 206,453.70 = 44,142.36 : x
  2. Step 2: Convert to fraction form
    137,648.76/206,453.70 = 44,142.36/x
  3. Step 3: Cross multiply
    137,648.76x = 206,453.70 × 44,142.36
  4. Step 4: Simplify right side
    137,648.76x = 9,113,353,548.73
  5. Step 5: Solve for x
    x = 9,113,353,548.73/137,648.76
  6. Step 6: Final answer
    x = 66,207.31

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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.