Home / 119,669.60-165,137.31-65,954.45

Finding the Fourth Proportional to 119,669.60, 165,137.31 and 65,954.45

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Solution

The fourth proportional to 119,669.60, 165,137.31 and 65,954.45 is: 91,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,669.60 : 165,137.31 = 65,954.45 : x
  2. Step 2: Convert to fraction form
    119,669.60/165,137.31 = 65,954.45/x
  3. Step 3: Cross multiply
    119,669.60x = 165,137.31 × 65,954.45
  4. Step 4: Simplify right side
    119,669.60x = 10,891,539,629.84
  5. Step 5: Solve for x
    x = 10,891,539,629.84/119,669.60
  6. Step 6: Final answer
    x = 91,013.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.