Home / 283,188.96-390,793.41-154,121.94

Finding the Fourth Proportional to 283,188.96, 390,793.41 and 154,121.94

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Solution

The fourth proportional to 283,188.96, 390,793.41 and 154,121.94 is: 212,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,188.96 : 390,793.41 = 154,121.94 : x
  2. Step 2: Convert to fraction form
    283,188.96/390,793.41 = 154,121.94/x
  3. Step 3: Cross multiply
    283,188.96x = 390,793.41 × 154,121.94
  4. Step 4: Simplify right side
    283,188.96x = 60,229,838,488.42
  5. Step 5: Solve for x
    x = 60,229,838,488.42/283,188.96
  6. Step 6: Final answer
    x = 212,684.27

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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.