Home / 190,574.73-263,003.67-105,689.97

Finding the Fourth Proportional to 190,574.73, 263,003.67 and 105,689.97

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Solution

The fourth proportional to 190,574.73, 263,003.67 and 105,689.97 is: 145,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,574.73 : 263,003.67 = 105,689.97 : x
  2. Step 2: Convert to fraction form
    190,574.73/263,003.67 = 105,689.97/x
  3. Step 3: Cross multiply
    190,574.73x = 263,003.67 × 105,689.97
  4. Step 4: Simplify right side
    190,574.73x = 27,796,849,992.19
  5. Step 5: Solve for x
    x = 27,796,849,992.19/190,574.73
  6. Step 6: Final answer
    x = 145,858.01

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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.