Home / 126,157.10-189,267.57-41,917.70

Finding the Fourth Proportional to 126,157.10, 189,267.57 and 41,917.70

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Solution

The fourth proportional to 126,157.10, 189,267.57 and 41,917.70 is: 62,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,157.10 : 189,267.57 = 41,917.70 : x
  2. Step 2: Convert to fraction form
    126,157.10/189,267.57 = 41,917.70/x
  3. Step 3: Cross multiply
    126,157.10x = 189,267.57 × 41,917.70
  4. Step 4: Simplify right side
    126,157.10x = 7,933,661,692.16
  5. Step 5: Solve for x
    x = 7,933,661,692.16/126,157.10
  6. Step 6: Final answer
    x = 62,887.16

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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.