Home / 191,649.24-264,371.85-120,015.27

Finding the Fourth Proportional to 191,649.24, 264,371.85 and 120,015.27

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Solution

The fourth proportional to 191,649.24, 264,371.85 and 120,015.27 is: 165,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,649.24 : 264,371.85 = 120,015.27 : x
  2. Step 2: Convert to fraction form
    191,649.24/264,371.85 = 120,015.27/x
  3. Step 3: Cross multiply
    191,649.24x = 264,371.85 × 120,015.27
  4. Step 4: Simplify right side
    191,649.24x = 31,728,658,958.15
  5. Step 5: Solve for x
    x = 31,728,658,958.15/191,649.24
  6. Step 6: Final answer
    x = 165,555.88

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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.