Home / 215,266.93-322,725.43-75,123.97

Finding the Fourth Proportional to 215,266.93, 322,725.43 and 75,123.97

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Solution

The fourth proportional to 215,266.93, 322,725.43 and 75,123.97 is: 112,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,266.93 : 322,725.43 = 75,123.97 : x
  2. Step 2: Convert to fraction form
    215,266.93/322,725.43 = 75,123.97/x
  3. Step 3: Cross multiply
    215,266.93x = 322,725.43 × 75,123.97
  4. Step 4: Simplify right side
    215,266.93x = 24,244,415,521.56
  5. Step 5: Solve for x
    x = 24,244,415,521.56/215,266.93
  6. Step 6: Final answer
    x = 112,624.90

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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.