Home / 189,527.92-261,550.48-104,644.78

Finding the Fourth Proportional to 189,527.92, 261,550.48 and 104,644.78

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Solution

The fourth proportional to 189,527.92, 261,550.48 and 104,644.78 is: 144,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,527.92 : 261,550.48 = 104,644.78 : x
  2. Step 2: Convert to fraction form
    189,527.92/261,550.48 = 104,644.78/x
  3. Step 3: Cross multiply
    189,527.92x = 261,550.48 × 104,644.78
  4. Step 4: Simplify right side
    189,527.92x = 27,369,892,438.49
  5. Step 5: Solve for x
    x = 27,369,892,438.49/189,527.92
  6. Step 6: Final answer
    x = 144,410.87

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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.