Home / 331,191.38-456,797.66-210,227.60

Finding the Fourth Proportional to 331,191.38, 456,797.66 and 210,227.60

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Solution

The fourth proportional to 331,191.38, 456,797.66 and 210,227.60 is: 289,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,191.38 : 456,797.66 = 210,227.60 : x
  2. Step 2: Convert to fraction form
    331,191.38/456,797.66 = 210,227.60/x
  3. Step 3: Cross multiply
    331,191.38x = 456,797.66 × 210,227.60
  4. Step 4: Simplify right side
    331,191.38x = 96,031,475,747.42
  5. Step 5: Solve for x
    x = 96,031,475,747.42/331,191.38
  6. Step 6: Final answer
    x = 289,957.65

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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.