Home / 283,799.70-391,437.77-192,994.25

Finding the Fourth Proportional to 283,799.70, 391,437.77 and 192,994.25

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Solution

The fourth proportional to 283,799.70, 391,437.77 and 192,994.25 is: 266,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,799.70 : 391,437.77 = 192,994.25 : x
  2. Step 2: Convert to fraction form
    283,799.70/391,437.77 = 192,994.25/x
  3. Step 3: Cross multiply
    283,799.70x = 391,437.77 × 192,994.25
  4. Step 4: Simplify right side
    283,799.70x = 75,545,235,920.66
  5. Step 5: Solve for x
    x = 75,545,235,920.66/283,799.70
  6. Step 6: Final answer
    x = 266,192.09

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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.