Home / 119,626.11-165,083.22-65,909.88

Finding the Fourth Proportional to 119,626.11, 165,083.22 and 65,909.88

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Solution

The fourth proportional to 119,626.11, 165,083.22 and 65,909.88 is: 90,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,626.11 : 165,083.22 = 65,909.88 : x
  2. Step 2: Convert to fraction form
    119,626.11/165,083.22 = 65,909.88/x
  3. Step 3: Cross multiply
    119,626.11x = 165,083.22 × 65,909.88
  4. Step 4: Simplify right side
    119,626.11x = 10,880,615,220.21
  5. Step 5: Solve for x
    x = 10,880,615,220.21/119,626.11
  6. Step 6: Final answer
    x = 90,955.19

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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.