Home / 115,194.21-172,765.40-41,322.21

Finding the Fourth Proportional to 115,194.21, 172,765.40 and 41,322.21

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Solution

The fourth proportional to 115,194.21, 172,765.40 and 41,322.21 is: 61,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,194.21 : 172,765.40 = 41,322.21 : x
  2. Step 2: Convert to fraction form
    115,194.21/172,765.40 = 41,322.21/x
  3. Step 3: Cross multiply
    115,194.21x = 172,765.40 × 41,322.21
  4. Step 4: Simplify right side
    115,194.21x = 7,139,047,932.92
  5. Step 5: Solve for x
    x = 7,139,047,932.92/115,194.21
  6. Step 6: Final answer
    x = 61,974.02

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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.