Home / 119,286.40-164,613.38-65,570.27

Finding the Fourth Proportional to 119,286.40, 164,613.38 and 65,570.27

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Solution

The fourth proportional to 119,286.40, 164,613.38 and 65,570.27 is: 90,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,286.40 : 164,613.38 = 65,570.27 : x
  2. Step 2: Convert to fraction form
    119,286.40/164,613.38 = 65,570.27/x
  3. Step 3: Cross multiply
    119,286.40x = 164,613.38 × 65,570.27
  4. Step 4: Simplify right side
    119,286.40x = 10,793,743,772.21
  5. Step 5: Solve for x
    x = 10,793,743,772.21/119,286.40
  6. Step 6: Final answer
    x = 90,485.95

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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.