Home / 189,511.27-261,495.77-108,923.74

Finding the Fourth Proportional to 189,511.27, 261,495.77 and 108,923.74

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Solution

The fourth proportional to 189,511.27, 261,495.77 and 108,923.74 is: 150,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,511.27 : 261,495.77 = 108,923.74 : x
  2. Step 2: Convert to fraction form
    189,511.27/261,495.77 = 108,923.74/x
  3. Step 3: Cross multiply
    189,511.27x = 261,495.77 × 108,923.74
  4. Step 4: Simplify right side
    189,511.27x = 28,483,096,064.22
  5. Step 5: Solve for x
    x = 28,483,096,064.22/189,511.27
  6. Step 6: Final answer
    x = 150,297.64

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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.