Home / 190,728.76-263,198.28-104,689.48

Finding the Fourth Proportional to 190,728.76, 263,198.28 and 104,689.48

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Solution

The fourth proportional to 190,728.76, 263,198.28 and 104,689.48 is: 144,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,728.76 : 263,198.28 = 104,689.48 : x
  2. Step 2: Convert to fraction form
    190,728.76/263,198.28 = 104,689.48/x
  3. Step 3: Cross multiply
    190,728.76x = 263,198.28 × 104,689.48
  4. Step 4: Simplify right side
    190,728.76x = 27,554,091,070.09
  5. Step 5: Solve for x
    x = 27,554,091,070.09/190,728.76
  6. Step 6: Final answer
    x = 144,467.42

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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.