Home / 119,649.08-165,116.85-65,936.03

Finding the Fourth Proportional to 119,649.08, 165,116.85 and 65,936.03

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Solution

The fourth proportional to 119,649.08, 165,116.85 and 65,936.03 is: 90,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,649.08 : 165,116.85 = 65,936.03 : x
  2. Step 2: Convert to fraction form
    119,649.08/165,116.85 = 65,936.03/x
  3. Step 3: Cross multiply
    119,649.08x = 165,116.85 × 65,936.03
  4. Step 4: Simplify right side
    119,649.08x = 10,887,148,419.84
  5. Step 5: Solve for x
    x = 10,887,148,419.84/119,649.08
  6. Step 6: Final answer
    x = 90,992.33

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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.