Home / 186,744.07-280,112.46-53,621.38

Finding the Fourth Proportional to 186,744.07, 280,112.46 and 53,621.38

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Solution

The fourth proportional to 186,744.07, 280,112.46 and 53,621.38 is: 80,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,744.07 : 280,112.46 = 53,621.38 : x
  2. Step 2: Convert to fraction form
    186,744.07/280,112.46 = 53,621.38/x
  3. Step 3: Cross multiply
    186,744.07x = 280,112.46 × 53,621.38
  4. Step 4: Simplify right side
    186,744.07x = 15,020,016,660.39
  5. Step 5: Solve for x
    x = 15,020,016,660.39/186,744.07
  6. Step 6: Final answer
    x = 80,431.02

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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.