Home / 119,756.84-165,273.86-66,046.76

Finding the Fourth Proportional to 119,756.84, 165,273.86 and 66,046.76

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Solution

The fourth proportional to 119,756.84, 165,273.86 and 66,046.76 is: 91,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756.84 : 165,273.86 = 66,046.76 : x
  2. Step 2: Convert to fraction form
    119,756.84/165,273.86 = 66,046.76/x
  3. Step 3: Cross multiply
    119,756.84x = 165,273.86 × 66,046.76
  4. Step 4: Simplify right side
    119,756.84x = 10,915,802,965.69
  5. Step 5: Solve for x
    x = 10,915,802,965.69/119,756.84
  6. Step 6: Final answer
    x = 91,149.72

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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.