Home / 113,768.01-170,321.49-66,238.11

Finding the Fourth Proportional to 113,768.01, 170,321.49 and 66,238.11

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Solution

The fourth proportional to 113,768.01, 170,321.49 and 66,238.11 is: 99,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,768.01 : 170,321.49 = 66,238.11 : x
  2. Step 2: Convert to fraction form
    113,768.01/170,321.49 = 66,238.11/x
  3. Step 3: Cross multiply
    113,768.01x = 170,321.49 × 66,238.11
  4. Step 4: Simplify right side
    113,768.01x = 11,281,773,589.98
  5. Step 5: Solve for x
    x = 11,281,773,589.98/113,768.01
  6. Step 6: Final answer
    x = 99,164.73

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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.