Home / 190,669.49-263,123.15-104,629.91

Finding the Fourth Proportional to 190,669.49, 263,123.15 and 104,629.91

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Solution

The fourth proportional to 190,669.49, 263,123.15 and 104,629.91 is: 144,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.49 : 263,123.15 = 104,629.91 : x
  2. Step 2: Convert to fraction form
    190,669.49/263,123.15 = 104,629.91/x
  3. Step 3: Cross multiply
    190,669.49x = 263,123.15 × 104,629.91
  4. Step 4: Simplify right side
    190,669.49x = 27,530,549,664.65
  5. Step 5: Solve for x
    x = 27,530,549,664.65/190,669.49
  6. Step 6: Final answer
    x = 144,388.86

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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.