Home / 119,972.25-165,561.71-69,674.49

Finding the Fourth Proportional to 119,972.25, 165,561.71 and 69,674.49

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Solution

The fourth proportional to 119,972.25, 165,561.71 and 69,674.49 is: 96,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,972.25 : 165,561.71 = 69,674.49 : x
  2. Step 2: Convert to fraction form
    119,972.25/165,561.71 = 69,674.49/x
  3. Step 3: Cross multiply
    119,972.25x = 165,561.71 × 69,674.49
  4. Step 4: Simplify right side
    119,972.25x = 11,535,427,359.41
  5. Step 5: Solve for x
    x = 11,535,427,359.41/119,972.25
  6. Step 6: Final answer
    x = 96,150.80

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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.