Home / 190,790.87-263,278.23-105,901.25

Finding the Fourth Proportional to 190,790.87, 263,278.23 and 105,901.25

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Solution

The fourth proportional to 190,790.87, 263,278.23 and 105,901.25 is: 146,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,790.87 : 263,278.23 = 105,901.25 : x
  2. Step 2: Convert to fraction form
    190,790.87/263,278.23 = 105,901.25/x
  3. Step 3: Cross multiply
    190,790.87x = 263,278.23 × 105,901.25
  4. Step 4: Simplify right side
    190,790.87x = 27,881,493,654.79
  5. Step 5: Solve for x
    x = 27,881,493,654.79/190,790.87
  6. Step 6: Final answer
    x = 146,136.41

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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.