Home / 189,147.33-261,025.11-104,267.43

Finding the Fourth Proportional to 189,147.33, 261,025.11 and 104,267.43

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Solution

The fourth proportional to 189,147.33, 261,025.11 and 104,267.43 is: 143,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,147.33 : 261,025.11 = 104,267.43 : x
  2. Step 2: Convert to fraction form
    189,147.33/261,025.11 = 104,267.43/x
  3. Step 3: Cross multiply
    189,147.33x = 261,025.11 × 104,267.43
  4. Step 4: Simplify right side
    189,147.33x = 27,216,417,385.17
  5. Step 5: Solve for x
    x = 27,216,417,385.17/189,147.33
  6. Step 6: Final answer
    x = 143,890.04

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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.