Home / 283,815.59-391,668.56-154,753.01

Finding the Fourth Proportional to 283,815.59, 391,668.56 and 154,753.01

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Solution

The fourth proportional to 283,815.59, 391,668.56 and 154,753.01 is: 213,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,815.59 : 391,668.56 = 154,753.01 : x
  2. Step 2: Convert to fraction form
    283,815.59/391,668.56 = 154,753.01/x
  3. Step 3: Cross multiply
    283,815.59x = 391,668.56 × 154,753.01
  4. Step 4: Simplify right side
    283,815.59x = 60,611,885,850.26
  5. Step 5: Solve for x
    x = 60,611,885,850.26/283,815.59
  6. Step 6: Final answer
    x = 213,560.81

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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.