Home / 186,982.08-280,434.24-111,109.92

Finding the Fourth Proportional to 186,982.08, 280,434.24 and 111,109.92

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Solution

The fourth proportional to 186,982.08, 280,434.24 and 111,109.92 is: 166,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,982.08 : 280,434.24 = 111,109.92 : x
  2. Step 2: Convert to fraction form
    186,982.08/280,434.24 = 111,109.92/x
  3. Step 3: Cross multiply
    186,982.08x = 280,434.24 × 111,109.92
  4. Step 4: Simplify right side
    186,982.08x = 31,159,025,971.66
  5. Step 5: Solve for x
    x = 31,159,025,971.66/186,982.08
  6. Step 6: Final answer
    x = 166,641.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.