Home / 189,982.32-262,183.32-105,097.92

Finding the Fourth Proportional to 189,982.32, 262,183.32 and 105,097.92

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Solution

The fourth proportional to 189,982.32, 262,183.32 and 105,097.92 is: 145,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,982.32 : 262,183.32 = 105,097.92 : x
  2. Step 2: Convert to fraction form
    189,982.32/262,183.32 = 105,097.92/x
  3. Step 3: Cross multiply
    189,982.32x = 262,183.32 × 105,097.92
  4. Step 4: Simplify right side
    189,982.32x = 27,554,921,590.69
  5. Step 5: Solve for x
    x = 27,554,921,590.69/189,982.32
  6. Step 6: Final answer
    x = 145,039.40

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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.