Home / 119,911.99-165,479.89-66,197.04

Finding the Fourth Proportional to 119,911.99, 165,479.89 and 66,197.04

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Solution

The fourth proportional to 119,911.99, 165,479.89 and 66,197.04 is: 91,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.99 : 165,479.89 = 66,197.04 : x
  2. Step 2: Convert to fraction form
    119,911.99/165,479.89 = 66,197.04/x
  3. Step 3: Cross multiply
    119,911.99x = 165,479.89 × 66,197.04
  4. Step 4: Simplify right side
    119,911.99x = 10,954,278,897.53
  5. Step 5: Solve for x
    x = 10,954,278,897.53/119,911.99
  6. Step 6: Final answer
    x = 91,352.66

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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.