Home / 165,491.91-228,344.00-108,215.19

Finding the Fourth Proportional to 165,491.91, 228,344.00 and 108,215.19

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Solution

The fourth proportional to 165,491.91, 228,344.00 and 108,215.19 is: 149,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,491.91 : 228,344.00 = 108,215.19 : x
  2. Step 2: Convert to fraction form
    165,491.91/228,344.00 = 108,215.19/x
  3. Step 3: Cross multiply
    165,491.91x = 228,344.00 × 108,215.19
  4. Step 4: Simplify right side
    165,491.91x = 24,710,288,804.28
  5. Step 5: Solve for x
    x = 24,710,288,804.28/165,491.91
  6. Step 6: Final answer
    x = 149,314.18

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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.