Home / 161,263.32-241,694.44-86,198.20

Finding the Fourth Proportional to 161,263.32, 241,694.44 and 86,198.20

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Solution

The fourth proportional to 161,263.32, 241,694.44 and 86,198.20 is: 129,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,263.32 : 241,694.44 = 86,198.20 : x
  2. Step 2: Convert to fraction form
    161,263.32/241,694.44 = 86,198.20/x
  3. Step 3: Cross multiply
    161,263.32x = 241,694.44 × 86,198.20
  4. Step 4: Simplify right side
    161,263.32x = 20,833,625,678.01
  5. Step 5: Solve for x
    x = 20,833,625,678.01/161,263.32
  6. Step 6: Final answer
    x = 129,190.11

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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.