Home / 283,630.45-391,429.39-173,296.34

Finding the Fourth Proportional to 283,630.45, 391,429.39 and 173,296.34

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Solution

The fourth proportional to 283,630.45, 391,429.39 and 173,296.34 is: 239,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,630.45 : 391,429.39 = 173,296.34 : x
  2. Step 2: Convert to fraction form
    283,630.45/391,429.39 = 173,296.34/x
  3. Step 3: Cross multiply
    283,630.45x = 391,429.39 × 173,296.34
  4. Step 4: Simplify right side
    283,630.45x = 67,833,280,655.43
  5. Step 5: Solve for x
    x = 67,833,280,655.43/283,630.45
  6. Step 6: Final answer
    x = 239,160.78

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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.