Home / 136,080.10-203,736.75-102,694.06

Finding the Fourth Proportional to 136,080.10, 203,736.75 and 102,694.06

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Solution

The fourth proportional to 136,080.10, 203,736.75 and 102,694.06 is: 153,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,080.10 : 203,736.75 = 102,694.06 : x
  2. Step 2: Convert to fraction form
    136,080.10/203,736.75 = 102,694.06/x
  3. Step 3: Cross multiply
    136,080.10x = 203,736.75 × 102,694.06
  4. Step 4: Simplify right side
    136,080.10x = 20,922,554,028.71
  5. Step 5: Solve for x
    x = 20,922,554,028.71/136,080.10
  6. Step 6: Final answer
    x = 153,751.75

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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.