Home / 189,578.26-261,614.37-104,693.50

Finding the Fourth Proportional to 189,578.26, 261,614.37 and 104,693.50

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Solution

The fourth proportional to 189,578.26, 261,614.37 and 104,693.50 is: 144,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,578.26 : 261,614.37 = 104,693.50 : x
  2. Step 2: Convert to fraction form
    189,578.26/261,614.37 = 104,693.50/x
  3. Step 3: Cross multiply
    189,578.26x = 261,614.37 × 104,693.50
  4. Step 4: Simplify right side
    189,578.26x = 27,389,324,045.60
  5. Step 5: Solve for x
    x = 27,389,324,045.60/189,578.26
  6. Step 6: Final answer
    x = 144,475.03

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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.