Home / 119,756.58-165,261.78-66,046.56

Finding the Fourth Proportional to 119,756.58, 165,261.78 and 66,046.56

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Solution

The fourth proportional to 119,756.58, 165,261.78 and 66,046.56 is: 91,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756.58 : 165,261.78 = 66,046.56 : x
  2. Step 2: Convert to fraction form
    119,756.58/165,261.78 = 66,046.56/x
  3. Step 3: Cross multiply
    119,756.58x = 165,261.78 × 66,046.56
  4. Step 4: Simplify right side
    119,756.58x = 10,914,972,068.48
  5. Step 5: Solve for x
    x = 10,914,972,068.48/119,756.58
  6. Step 6: Final answer
    x = 91,142.98

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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.