Home / 264,106.38-396,197.23-86,627.28

Finding the Fourth Proportional to 264,106.38, 396,197.23 and 86,627.28

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Solution

The fourth proportional to 264,106.38, 396,197.23 and 86,627.28 is: 129,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,106.38 : 396,197.23 = 86,627.28 : x
  2. Step 2: Convert to fraction form
    264,106.38/396,197.23 = 86,627.28/x
  3. Step 3: Cross multiply
    264,106.38x = 396,197.23 × 86,627.28
  4. Step 4: Simplify right side
    264,106.38x = 34,321,488,378.43
  5. Step 5: Solve for x
    x = 34,321,488,378.43/264,106.38
  6. Step 6: Final answer
    x = 129,953.27

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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.