Home / 162,719.37-244,115.86-87,837.91

Finding the Fourth Proportional to 162,719.37, 244,115.86 and 87,837.91

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Solution

The fourth proportional to 162,719.37, 244,115.86 and 87,837.91 is: 131,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,719.37 : 244,115.86 = 87,837.91 : x
  2. Step 2: Convert to fraction form
    162,719.37/244,115.86 = 87,837.91/x
  3. Step 3: Cross multiply
    162,719.37x = 244,115.86 × 87,837.91
  4. Step 4: Simplify right side
    162,719.37x = 21,442,625,719.67
  5. Step 5: Solve for x
    x = 21,442,625,719.67/162,719.37
  6. Step 6: Final answer
    x = 131,776.73

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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.