Home / 226,278.21-312,229.24-130,766.47

Finding the Fourth Proportional to 226,278.21, 312,229.24 and 130,766.47

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Solution

The fourth proportional to 226,278.21, 312,229.24 and 130,766.47 is: 180,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,278.21 : 312,229.24 = 130,766.47 : x
  2. Step 2: Convert to fraction form
    226,278.21/312,229.24 = 130,766.47/x
  3. Step 3: Cross multiply
    226,278.21x = 312,229.24 × 130,766.47
  4. Step 4: Simplify right side
    226,278.21x = 40,829,115,545.58
  5. Step 5: Solve for x
    x = 40,829,115,545.58/226,278.21
  6. Step 6: Final answer
    x = 180,437.68

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1.5x scale

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.