Home / 127,919.87-191,889.02-39,161.84

Finding the Fourth Proportional to 127,919.87, 191,889.02 and 39,161.84

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Solution

The fourth proportional to 127,919.87, 191,889.02 and 39,161.84 is: 58,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,919.87 : 191,889.02 = 39,161.84 : x
  2. Step 2: Convert to fraction form
    127,919.87/191,889.02 = 39,161.84/x
  3. Step 3: Cross multiply
    127,919.87x = 191,889.02 × 39,161.84
  4. Step 4: Simplify right side
    127,919.87x = 7,514,726,237.46
  5. Step 5: Solve for x
    x = 7,514,726,237.46/127,919.87
  6. Step 6: Final answer
    x = 58,745.57

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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.