Home / 119,947.94-165,530.74-66,236.38

Finding the Fourth Proportional to 119,947.94, 165,530.74 and 66,236.38

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Solution

The fourth proportional to 119,947.94, 165,530.74 and 66,236.38 is: 91,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,947.94 : 165,530.74 = 66,236.38 : x
  2. Step 2: Convert to fraction form
    119,947.94/165,530.74 = 66,236.38/x
  3. Step 3: Cross multiply
    119,947.94x = 165,530.74 × 66,236.38
  4. Step 4: Simplify right side
    119,947.94x = 10,964,156,996.32
  5. Step 5: Solve for x
    x = 10,964,156,996.32/119,947.94
  6. Step 6: Final answer
    x = 91,407.63

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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.