Home / 189,171.22-261,058.03-104,291.32

Finding the Fourth Proportional to 189,171.22, 261,058.03 and 104,291.32

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Solution

The fourth proportional to 189,171.22, 261,058.03 and 104,291.32 is: 143,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,171.22 : 261,058.03 = 104,291.32 : x
  2. Step 2: Convert to fraction form
    189,171.22/261,058.03 = 104,291.32/x
  3. Step 3: Cross multiply
    189,171.22x = 261,058.03 × 104,291.32
  4. Step 4: Simplify right side
    189,171.22x = 27,226,086,545.30
  5. Step 5: Solve for x
    x = 27,226,086,545.30/189,171.22
  6. Step 6: Final answer
    x = 143,922.98

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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.