Home / 189,198.55-261,095.76-104,318.63

Finding the Fourth Proportional to 189,198.55, 261,095.76 and 104,318.63

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Solution

The fourth proportional to 189,198.55, 261,095.76 and 104,318.63 is: 143,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.55 : 261,095.76 = 104,318.63 : x
  2. Step 2: Convert to fraction form
    189,198.55/261,095.76 = 104,318.63/x
  3. Step 3: Cross multiply
    189,198.55x = 261,095.76 × 104,318.63
  4. Step 4: Simplify right side
    189,198.55x = 27,237,151,982.01
  5. Step 5: Solve for x
    x = 27,237,151,982.01/189,198.55
  6. Step 6: Final answer
    x = 143,960.68

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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.