Home / 186,546.12-279,878.33-66,600.50

Finding the Fourth Proportional to 186,546.12, 279,878.33 and 66,600.50

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Solution

The fourth proportional to 186,546.12, 279,878.33 and 66,600.50 is: 99,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,546.12 : 279,878.33 = 66,600.50 : x
  2. Step 2: Convert to fraction form
    186,546.12/279,878.33 = 66,600.50/x
  3. Step 3: Cross multiply
    186,546.12x = 279,878.33 × 66,600.50
  4. Step 4: Simplify right side
    186,546.12x = 18,640,035,151.27
  5. Step 5: Solve for x
    x = 18,640,035,151.27/186,546.12
  6. Step 6: Final answer
    x = 99,921.86

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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.