Home / 215,146.44-296,923.86-123,277.89

Finding the Fourth Proportional to 215,146.44, 296,923.86 and 123,277.89

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Solution

The fourth proportional to 215,146.44, 296,923.86 and 123,277.89 is: 170,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,146.44 : 296,923.86 = 123,277.89 : x
  2. Step 2: Convert to fraction form
    215,146.44/296,923.86 = 123,277.89/x
  3. Step 3: Cross multiply
    215,146.44x = 296,923.86 × 123,277.89
  4. Step 4: Simplify right side
    215,146.44x = 36,604,146,951.46
  5. Step 5: Solve for x
    x = 36,604,146,951.46/215,146.44
  6. Step 6: Final answer
    x = 170,135.96

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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.