Home / 162,610.07-244,019.19-87,782.31

Finding the Fourth Proportional to 162,610.07, 244,019.19 and 87,782.31

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Solution

The fourth proportional to 162,610.07, 244,019.19 and 87,782.31 is: 131,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,610.07 : 244,019.19 = 87,782.31 : x
  2. Step 2: Convert to fraction form
    162,610.07/244,019.19 = 87,782.31/x
  3. Step 3: Cross multiply
    162,610.07x = 244,019.19 × 87,782.31
  4. Step 4: Simplify right side
    162,610.07x = 21,420,568,182.53
  5. Step 5: Solve for x
    x = 21,420,568,182.53/162,610.07
  6. Step 6: Final answer
    x = 131,729.66

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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.