Home / 190,541.73-262,958.09-105,656.97

Finding the Fourth Proportional to 190,541.73, 262,958.09 and 105,656.97

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Solution

The fourth proportional to 190,541.73, 262,958.09 and 105,656.97 is: 145,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,541.73 : 262,958.09 = 105,656.97 : x
  2. Step 2: Convert to fraction form
    190,541.73/262,958.09 = 105,656.97/x
  3. Step 3: Cross multiply
    190,541.73x = 262,958.09 × 105,656.97
  4. Step 4: Simplify right side
    190,541.73x = 27,783,354,498.10
  5. Step 5: Solve for x
    x = 27,783,354,498.10/190,541.73
  6. Step 6: Final answer
    x = 145,812.44

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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.