Home / 119,202.25-164,442.27-86,867.54

Finding the Fourth Proportional to 119,202.25, 164,442.27 and 86,867.54

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Solution

The fourth proportional to 119,202.25, 164,442.27 and 86,867.54 is: 119,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,202.25 : 164,442.27 = 86,867.54 : x
  2. Step 2: Convert to fraction form
    119,202.25/164,442.27 = 86,867.54/x
  3. Step 3: Cross multiply
    119,202.25x = 164,442.27 × 86,867.54
  4. Step 4: Simplify right side
    119,202.25x = 14,284,695,098.49
  5. Step 5: Solve for x
    x = 14,284,695,098.49/119,202.25
  6. Step 6: Final answer
    x = 119,835.78

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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.