Home / 189,198.27-261,095.38-104,318.35

Finding the Fourth Proportional to 189,198.27, 261,095.38 and 104,318.35

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Solution

The fourth proportional to 189,198.27, 261,095.38 and 104,318.35 is: 143,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.27 : 261,095.38 = 104,318.35 : x
  2. Step 2: Convert to fraction form
    189,198.27/261,095.38 = 104,318.35/x
  3. Step 3: Cross multiply
    189,198.27x = 261,095.38 × 104,318.35
  4. Step 4: Simplify right side
    189,198.27x = 27,237,039,234.22
  5. Step 5: Solve for x
    x = 27,237,039,234.22/189,198.27
  6. Step 6: Final answer
    x = 143,960.30

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1.5x scale

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.