Home / 186,743.32-280,132.08-74,396.32

Finding the Fourth Proportional to 186,743.32, 280,132.08 and 74,396.32

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Solution

The fourth proportional to 186,743.32, 280,132.08 and 74,396.32 is: 111,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,743.32 : 280,132.08 = 74,396.32 : x
  2. Step 2: Convert to fraction form
    186,743.32/280,132.08 = 74,396.32/x
  3. Step 3: Cross multiply
    186,743.32x = 280,132.08 × 74,396.32
  4. Step 4: Simplify right side
    186,743.32x = 20,840,795,865.95
  5. Step 5: Solve for x
    x = 20,840,795,865.95/186,743.32
  6. Step 6: Final answer
    x = 111,601.29

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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.