Home / 186,684.12-280,024.98-111,825.54

Finding the Fourth Proportional to 186,684.12, 280,024.98 and 111,825.54

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Solution

The fourth proportional to 186,684.12, 280,024.98 and 111,825.54 is: 167,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,684.12 : 280,024.98 = 111,825.54 : x
  2. Step 2: Convert to fraction form
    186,684.12/280,024.98 = 111,825.54/x
  3. Step 3: Cross multiply
    186,684.12x = 280,024.98 × 111,825.54
  4. Step 4: Simplify right side
    186,684.12x = 31,313,944,601.99
  5. Step 5: Solve for x
    x = 31,313,944,601.99/186,684.12
  6. Step 6: Final answer
    x = 167,737.59

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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.