Home / 186,784.20-280,078.97-66,794.91

Finding the Fourth Proportional to 186,784.20, 280,078.97 and 66,794.91

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Solution

The fourth proportional to 186,784.20, 280,078.97 and 66,794.91 is: 100,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,784.20 : 280,078.97 = 66,794.91 : x
  2. Step 2: Convert to fraction form
    186,784.20/280,078.97 = 66,794.91/x
  3. Step 3: Cross multiply
    186,784.20x = 280,078.97 × 66,794.91
  4. Step 4: Simplify right side
    186,784.20x = 18,707,849,260.07
  5. Step 5: Solve for x
    x = 18,707,849,260.07/186,784.20
  6. Step 6: Final answer
    x = 100,157.56

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1.5x scale

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.