Home / 186,844.34-280,236.36-53,694.20

Finding the Fourth Proportional to 186,844.34, 280,236.36 and 53,694.20

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Solution

The fourth proportional to 186,844.34, 280,236.36 and 53,694.20 is: 80,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,844.34 : 280,236.36 = 53,694.20 : x
  2. Step 2: Convert to fraction form
    186,844.34/280,236.36 = 53,694.20/x
  3. Step 3: Cross multiply
    186,844.34x = 280,236.36 × 53,694.20
  4. Step 4: Simplify right side
    186,844.34x = 15,047,067,161.11
  5. Step 5: Solve for x
    x = 15,047,067,161.11/186,844.34
  6. Step 6: Final answer
    x = 80,532.64

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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.