Home / 190,714.23-263,183.18-105,829.47

Finding the Fourth Proportional to 190,714.23, 263,183.18 and 105,829.47

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Solution

The fourth proportional to 190,714.23, 263,183.18 and 105,829.47 is: 146,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,714.23 : 263,183.18 = 105,829.47 : x
  2. Step 2: Convert to fraction form
    190,714.23/263,183.18 = 105,829.47/x
  3. Step 3: Cross multiply
    190,714.23x = 263,183.18 × 105,829.47
  4. Step 4: Simplify right side
    190,714.23x = 27,852,535,923.17
  5. Step 5: Solve for x
    x = 27,852,535,923.17/190,714.23
  6. Step 6: Final answer
    x = 146,043.30

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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.