Home / 254,450.09-351,141.44-139,736.13

Finding the Fourth Proportional to 254,450.09, 351,141.44 and 139,736.13

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Solution

The fourth proportional to 254,450.09, 351,141.44 and 139,736.13 is: 192,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,450.09 : 351,141.44 = 139,736.13 : x
  2. Step 2: Convert to fraction form
    254,450.09/351,141.44 = 139,736.13/x
  3. Step 3: Cross multiply
    254,450.09x = 351,141.44 × 139,736.13
  4. Step 4: Simplify right side
    254,450.09x = 49,067,146,653.95
  5. Step 5: Solve for x
    x = 49,067,146,653.95/254,450.09
  6. Step 6: Final answer
    x = 192,836.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.