Home / 190,686.76-263,147.72-105,804.44

Finding the Fourth Proportional to 190,686.76, 263,147.72 and 105,804.44

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Solution

The fourth proportional to 190,686.76, 263,147.72 and 105,804.44 is: 146,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,686.76 : 263,147.72 = 105,804.44 : x
  2. Step 2: Convert to fraction form
    190,686.76/263,147.72 = 105,804.44/x
  3. Step 3: Cross multiply
    190,686.76x = 263,147.72 × 105,804.44
  4. Step 4: Simplify right side
    190,686.76x = 27,842,197,151.88
  5. Step 5: Solve for x
    x = 27,842,197,151.88/190,686.76
  6. Step 6: Final answer
    x = 146,010.12

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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.