Home / 189,550.07-261,623.97-109,024.13

Finding the Fourth Proportional to 189,550.07, 261,623.97 and 109,024.13

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Solution

The fourth proportional to 189,550.07, 261,623.97 and 109,024.13 is: 150,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,550.07 : 261,623.97 = 109,024.13 : x
  2. Step 2: Convert to fraction form
    189,550.07/261,623.97 = 109,024.13/x
  3. Step 3: Cross multiply
    189,550.07x = 261,623.97 × 109,024.13
  4. Step 4: Simplify right side
    189,550.07x = 28,523,324,408.28
  5. Step 5: Solve for x
    x = 28,523,324,408.28/189,550.07
  6. Step 6: Final answer
    x = 150,479.10

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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.