Home / 219,286.54-302,606.85-137,658.73

Finding the Fourth Proportional to 219,286.54, 302,606.85 and 137,658.73

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Solution

The fourth proportional to 219,286.54, 302,606.85 and 137,658.73 is: 189,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,286.54 : 302,606.85 = 137,658.73 : x
  2. Step 2: Convert to fraction form
    219,286.54/302,606.85 = 137,658.73/x
  3. Step 3: Cross multiply
    219,286.54x = 302,606.85 × 137,658.73
  4. Step 4: Simplify right side
    219,286.54x = 41,656,474,660.30
  5. Step 5: Solve for x
    x = 41,656,474,660.30/219,286.54
  6. Step 6: Final answer
    x = 189,963.66

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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.