Home / 189,550.57-261,624.66-109,024.63

Finding the Fourth Proportional to 189,550.57, 261,624.66 and 109,024.63

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Solution

The fourth proportional to 189,550.57, 261,624.66 and 109,024.63 is: 150,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,550.57 : 261,624.66 = 109,024.63 : x
  2. Step 2: Convert to fraction form
    189,550.57/261,624.66 = 109,024.63/x
  3. Step 3: Cross multiply
    189,550.57x = 261,624.66 × 109,024.63
  4. Step 4: Simplify right side
    189,550.57x = 28,523,531,755.38
  5. Step 5: Solve for x
    x = 28,523,531,755.38/189,550.57
  6. Step 6: Final answer
    x = 150,479.80

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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.