Home / 106,031.70-158,930.91-43,668.18

Finding the Fourth Proportional to 106,031.70, 158,930.91 and 43,668.18

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Solution

The fourth proportional to 106,031.70, 158,930.91 and 43,668.18 is: 65,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,031.70 : 158,930.91 = 43,668.18 : x
  2. Step 2: Convert to fraction form
    106,031.70/158,930.91 = 43,668.18/x
  3. Step 3: Cross multiply
    106,031.70x = 158,930.91 × 43,668.18
  4. Step 4: Simplify right side
    106,031.70x = 6,940,223,585.44
  5. Step 5: Solve for x
    x = 6,940,223,585.44/106,031.70
  6. Step 6: Final answer
    x = 65,454.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.