Home / 281,192.31-387,900.09-190,517.27

Finding the Fourth Proportional to 281,192.31, 387,900.09 and 190,517.27

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Solution

The fourth proportional to 281,192.31, 387,900.09 and 190,517.27 is: 262,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,192.31 : 387,900.09 = 190,517.27 : x
  2. Step 2: Convert to fraction form
    281,192.31/387,900.09 = 190,517.27/x
  3. Step 3: Cross multiply
    281,192.31x = 387,900.09 × 190,517.27
  4. Step 4: Simplify right side
    281,192.31x = 73,901,664,240.05
  5. Step 5: Solve for x
    x = 73,901,664,240.05/281,192.31
  6. Step 6: Final answer
    x = 262,815.38

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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.