Home / 113,516.70-156,600.36-73,243.38

Finding the Fourth Proportional to 113,516.70, 156,600.36 and 73,243.38

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Solution

The fourth proportional to 113,516.70, 156,600.36 and 73,243.38 is: 101,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,516.70 : 156,600.36 = 73,243.38 : x
  2. Step 2: Convert to fraction form
    113,516.70/156,600.36 = 73,243.38/x
  3. Step 3: Cross multiply
    113,516.70x = 156,600.36 × 73,243.38
  4. Step 4: Simplify right side
    113,516.70x = 11,469,939,675.62
  5. Step 5: Solve for x
    x = 11,469,939,675.62/113,516.70
  6. Step 6: Final answer
    x = 101,041.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.