Home / 190,805.80-263,313.18-104,768.50

Finding the Fourth Proportional to 190,805.80, 263,313.18 and 104,768.50

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Solution

The fourth proportional to 190,805.80, 263,313.18 and 104,768.50 is: 144,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,805.80 : 263,313.18 = 104,768.50 : x
  2. Step 2: Convert to fraction form
    190,805.80/263,313.18 = 104,768.50/x
  3. Step 3: Cross multiply
    190,805.80x = 263,313.18 × 104,768.50
  4. Step 4: Simplify right side
    190,805.80x = 27,586,926,898.83
  5. Step 5: Solve for x
    x = 27,586,926,898.83/190,805.80
  6. Step 6: Final answer
    x = 144,581.18

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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.