Home / 119,910.11-165,477.29-66,195.16

Finding the Fourth Proportional to 119,910.11, 165,477.29 and 66,195.16

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Solution

The fourth proportional to 119,910.11, 165,477.29 and 66,195.16 is: 91,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,910.11 : 165,477.29 = 66,195.16 : x
  2. Step 2: Convert to fraction form
    119,910.11/165,477.29 = 66,195.16/x
  3. Step 3: Cross multiply
    119,910.11x = 165,477.29 × 66,195.16
  4. Step 4: Simplify right side
    119,910.11x = 10,953,795,687.92
  5. Step 5: Solve for x
    x = 10,953,795,687.92/119,910.11
  6. Step 6: Final answer
    x = 91,350.06

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1.5x scale

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.