Home / 190,930.80-263,481.24-106,045.68

Finding the Fourth Proportional to 190,930.80, 263,481.24 and 106,045.68

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Solution

The fourth proportional to 190,930.80, 263,481.24 and 106,045.68 is: 146,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,930.80 : 263,481.24 = 106,045.68 : x
  2. Step 2: Convert to fraction form
    190,930.80/263,481.24 = 106,045.68/x
  3. Step 3: Cross multiply
    190,930.80x = 263,481.24 × 106,045.68
  4. Step 4: Simplify right side
    190,930.80x = 27,941,047,263.04
  5. Step 5: Solve for x
    x = 27,941,047,263.04/190,930.80
  6. Step 6: Final answer
    x = 146,341.23

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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.