Home / 283,460.03-391,175.37-154,398.11

Finding the Fourth Proportional to 283,460.03, 391,175.37 and 154,398.11

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Solution

The fourth proportional to 283,460.03, 391,175.37 and 154,398.11 is: 213,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,460.03 : 391,175.37 = 154,398.11 : x
  2. Step 2: Convert to fraction form
    283,460.03/391,175.37 = 154,398.11/x
  3. Step 3: Cross multiply
    283,460.03x = 391,175.37 × 154,398.11
  4. Step 4: Simplify right side
    283,460.03x = 60,396,735,850.67
  5. Step 5: Solve for x
    x = 60,396,735,850.67/283,460.03
  6. Step 6: Final answer
    x = 213,069.68

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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.