Home / 264,095.20-396,197.97-86,588.20

Finding the Fourth Proportional to 264,095.20, 396,197.97 and 86,588.20

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Solution

The fourth proportional to 264,095.20, 396,197.97 and 86,588.20 is: 129,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,095.20 : 396,197.97 = 86,588.20 : x
  2. Step 2: Convert to fraction form
    264,095.20/396,197.97 = 86,588.20/x
  3. Step 3: Cross multiply
    264,095.20x = 396,197.97 × 86,588.20
  4. Step 4: Simplify right side
    264,095.20x = 34,306,069,065.95
  5. Step 5: Solve for x
    x = 34,306,069,065.95/264,095.20
  6. Step 6: Final answer
    x = 129,900.39

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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.