Home / 186,015.48-279,124.50-80,834.04

Finding the Fourth Proportional to 186,015.48, 279,124.50 and 80,834.04

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Solution

The fourth proportional to 186,015.48, 279,124.50 and 80,834.04 is: 121,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,015.48 : 279,124.50 = 80,834.04 : x
  2. Step 2: Convert to fraction form
    186,015.48/279,124.50 = 80,834.04/x
  3. Step 3: Cross multiply
    186,015.48x = 279,124.50 × 80,834.04
  4. Step 4: Simplify right side
    186,015.48x = 22,562,760,997.98
  5. Step 5: Solve for x
    x = 22,562,760,997.98/186,015.48
  6. Step 6: Final answer
    x = 121,295.07

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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.