Home / 281,839.17-422,653.80-113,302.77

Finding the Fourth Proportional to 281,839.17, 422,653.80 and 113,302.77

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Solution

The fourth proportional to 281,839.17, 422,653.80 and 113,302.77 is: 169,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,839.17 : 422,653.80 = 113,302.77 : x
  2. Step 2: Convert to fraction form
    281,839.17/422,653.80 = 113,302.77/x
  3. Step 3: Cross multiply
    281,839.17x = 422,653.80 × 113,302.77
  4. Step 4: Simplify right side
    281,839.17x = 47,887,846,291.03
  5. Step 5: Solve for x
    x = 47,887,846,291.03/281,839.17
  6. Step 6: Final answer
    x = 169,911.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.