Home / 119,692.17-165,167.69-65,974.23

Finding the Fourth Proportional to 119,692.17, 165,167.69 and 65,974.23

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Solution

The fourth proportional to 119,692.17, 165,167.69 and 65,974.23 is: 91,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,692.17 : 165,167.69 = 65,974.23 : x
  2. Step 2: Convert to fraction form
    119,692.17/165,167.69 = 65,974.23/x
  3. Step 3: Cross multiply
    119,692.17x = 165,167.69 × 65,974.23
  4. Step 4: Simplify right side
    119,692.17x = 10,896,810,838.76
  5. Step 5: Solve for x
    x = 10,896,810,838.76/119,692.17
  6. Step 6: Final answer
    x = 91,040.30

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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.