Home / 186,782.46-280,076.36-66,793.16

Finding the Fourth Proportional to 186,782.46, 280,076.36 and 66,793.16

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Solution

The fourth proportional to 186,782.46, 280,076.36 and 66,793.16 is: 100,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,782.46 : 280,076.36 = 66,793.16 : x
  2. Step 2: Convert to fraction form
    186,782.46/280,076.36 = 66,793.16/x
  3. Step 3: Cross multiply
    186,782.46x = 280,076.36 × 66,793.16
  4. Step 4: Simplify right side
    186,782.46x = 18,707,185,125.70
  5. Step 5: Solve for x
    x = 18,707,185,125.70/186,782.46
  6. Step 6: Final answer
    x = 100,154.93

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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.