Home / 132,687.45-199,113.19-53,802.36

Finding the Fourth Proportional to 132,687.45, 199,113.19 and 53,802.36

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Solution

The fourth proportional to 132,687.45, 199,113.19 and 53,802.36 is: 80,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,687.45 : 199,113.19 = 53,802.36 : x
  2. Step 2: Convert to fraction form
    132,687.45/199,113.19 = 53,802.36/x
  3. Step 3: Cross multiply
    132,687.45x = 199,113.19 × 53,802.36
  4. Step 4: Simplify right side
    132,687.45x = 10,712,759,394.62
  5. Step 5: Solve for x
    x = 10,712,759,394.62/132,687.45
  6. Step 6: Final answer
    x = 80,736.79

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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.