Home / 127,676.22-191,507.13-56,578.38

Finding the Fourth Proportional to 127,676.22, 191,507.13 and 56,578.38

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Solution

The fourth proportional to 127,676.22, 191,507.13 and 56,578.38 is: 84,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,676.22 : 191,507.13 = 56,578.38 : x
  2. Step 2: Convert to fraction form
    127,676.22/191,507.13 = 56,578.38/x
  3. Step 3: Cross multiply
    127,676.22x = 191,507.13 × 56,578.38
  4. Step 4: Simplify right side
    127,676.22x = 10,835,163,173.85
  5. Step 5: Solve for x
    x = 10,835,163,173.85/127,676.22
  6. Step 6: Final answer
    x = 84,864.38

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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.