Home / 120,536.10-166,476.06-82,229.94

Finding the Fourth Proportional to 120,536.10, 166,476.06 and 82,229.94

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Solution

The fourth proportional to 120,536.10, 166,476.06 and 82,229.94 is: 113,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,536.10 : 166,476.06 = 82,229.94 : x
  2. Step 2: Convert to fraction form
    120,536.10/166,476.06 = 82,229.94/x
  3. Step 3: Cross multiply
    120,536.10x = 166,476.06 × 82,229.94
  4. Step 4: Simplify right side
    120,536.10x = 13,689,316,425.24
  5. Step 5: Solve for x
    x = 13,689,316,425.24/120,536.10
  6. Step 6: Final answer
    x = 113,570.26

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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.