Home / 134,378.38-201,633.18-84,481.98

Finding the Fourth Proportional to 134,378.38, 201,633.18 and 84,481.98

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Solution

The fourth proportional to 134,378.38, 201,633.18 and 84,481.98 is: 126,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,378.38 : 201,633.18 = 84,481.98 : x
  2. Step 2: Convert to fraction form
    134,378.38/201,633.18 = 84,481.98/x
  3. Step 3: Cross multiply
    134,378.38x = 201,633.18 × 84,481.98
  4. Step 4: Simplify right side
    134,378.38x = 17,034,370,280.10
  5. Step 5: Solve for x
    x = 17,034,370,280.10/134,378.38
  6. Step 6: Final answer
    x = 126,764.22

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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.