Home / 263,652.19-395,498.83-86,177.14

Finding the Fourth Proportional to 263,652.19, 395,498.83 and 86,177.14

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Solution

The fourth proportional to 263,652.19, 395,498.83 and 86,177.14 is: 129,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,652.19 : 395,498.83 = 86,177.14 : x
  2. Step 2: Convert to fraction form
    263,652.19/395,498.83 = 86,177.14/x
  3. Step 3: Cross multiply
    263,652.19x = 395,498.83 × 86,177.14
  4. Step 4: Simplify right side
    263,652.19x = 34,082,957,870.11
  5. Step 5: Solve for x
    x = 34,082,957,870.11/263,652.19
  6. Step 6: Final answer
    x = 129,272.42

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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.