Home / 235,012.38-324,321.04-127,582.43

Finding the Fourth Proportional to 235,012.38, 324,321.04 and 127,582.43

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Solution

The fourth proportional to 235,012.38, 324,321.04 and 127,582.43 is: 176,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,012.38 : 324,321.04 = 127,582.43 : x
  2. Step 2: Convert to fraction form
    235,012.38/324,321.04 = 127,582.43/x
  3. Step 3: Cross multiply
    235,012.38x = 324,321.04 × 127,582.43
  4. Step 4: Simplify right side
    235,012.38x = 41,377,665,745.42
  5. Step 5: Solve for x
    x = 41,377,665,745.42/235,012.38
  6. Step 6: Final answer
    x = 176,065.90

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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.