Home / 283,747.68-391,576.14-154,686.24

Finding the Fourth Proportional to 283,747.68, 391,576.14 and 154,686.24

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Solution

The fourth proportional to 283,747.68, 391,576.14 and 154,686.24 is: 213,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,747.68 : 391,576.14 = 154,686.24 : x
  2. Step 2: Convert to fraction form
    283,747.68/391,576.14 = 154,686.24/x
  3. Step 3: Cross multiply
    283,747.68x = 391,576.14 × 154,686.24
  4. Step 4: Simplify right side
    283,747.68x = 60,571,440,770.31
  5. Step 5: Solve for x
    x = 60,571,440,770.31/283,747.68
  6. Step 6: Final answer
    x = 213,469.38

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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.