Home / 168,811.98-232,991.70-108,458.10

Finding the Fourth Proportional to 168,811.98, 232,991.70 and 108,458.10

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Solution

The fourth proportional to 168,811.98, 232,991.70 and 108,458.10 is: 149,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,811.98 : 232,991.70 = 108,458.10 : x
  2. Step 2: Convert to fraction form
    168,811.98/232,991.70 = 108,458.10/x
  3. Step 3: Cross multiply
    168,811.98x = 232,991.70 × 108,458.10
  4. Step 4: Simplify right side
    168,811.98x = 25,269,837,097.77
  5. Step 5: Solve for x
    x = 25,269,837,097.77/168,811.98
  6. Step 6: Final answer
    x = 149,692.20

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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.