Home / 189,040.22-260,887.11-104,157.26

Finding the Fourth Proportional to 189,040.22, 260,887.11 and 104,157.26

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Solution

The fourth proportional to 189,040.22, 260,887.11 and 104,157.26 is: 143,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,040.22 : 260,887.11 = 104,157.26 : x
  2. Step 2: Convert to fraction form
    189,040.22/260,887.11 = 104,157.26/x
  3. Step 3: Cross multiply
    189,040.22x = 260,887.11 × 104,157.26
  4. Step 4: Simplify right side
    189,040.22x = 27,173,286,546.92
  5. Step 5: Solve for x
    x = 27,173,286,546.92/189,040.22
  6. Step 6: Final answer
    x = 143,743.41

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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.