Home / 190,276.17-262,559.93-105,371.97

Finding the Fourth Proportional to 190,276.17, 262,559.93 and 105,371.97

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Solution

The fourth proportional to 190,276.17, 262,559.93 and 105,371.97 is: 145,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,276.17 : 262,559.93 = 105,371.97 : x
  2. Step 2: Convert to fraction form
    190,276.17/262,559.93 = 105,371.97/x
  3. Step 3: Cross multiply
    190,276.17x = 262,559.93 × 105,371.97
  4. Step 4: Simplify right side
    190,276.17x = 27,666,456,540.30
  5. Step 5: Solve for x
    x = 27,666,456,540.30/190,276.17
  6. Step 6: Final answer
    x = 145,401.58

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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.