Home / 123,961.08-170,869.99-113,663.96

Finding the Fourth Proportional to 123,961.08, 170,869.99 and 113,663.96

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Solution

The fourth proportional to 123,961.08, 170,869.99 and 113,663.96 is: 156,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,961.08 : 170,869.99 = 113,663.96 : x
  2. Step 2: Convert to fraction form
    123,961.08/170,869.99 = 113,663.96/x
  3. Step 3: Cross multiply
    123,961.08x = 170,869.99 × 113,663.96
  4. Step 4: Simplify right side
    123,961.08x = 19,421,759,708.56
  5. Step 5: Solve for x
    x = 19,421,759,708.56/123,961.08
  6. Step 6: Final answer
    x = 156,676.27

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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.