Home / 136,505.43-204,633.41-115,580.30

Finding the Fourth Proportional to 136,505.43, 204,633.41 and 115,580.30

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Solution

The fourth proportional to 136,505.43, 204,633.41 and 115,580.30 is: 173,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,505.43 : 204,633.41 = 115,580.30 : x
  2. Step 2: Convert to fraction form
    136,505.43/204,633.41 = 115,580.30/x
  3. Step 3: Cross multiply
    136,505.43x = 204,633.41 × 115,580.30
  4. Step 4: Simplify right side
    136,505.43x = 23,651,589,316.75
  5. Step 5: Solve for x
    x = 23,651,589,316.75/136,505.43
  6. Step 6: Final answer
    x = 173,264.82

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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.