Home / 168,684.89-232,692.99-108,188.21

Finding the Fourth Proportional to 168,684.89, 232,692.99 and 108,188.21

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Solution

The fourth proportional to 168,684.89, 232,692.99 and 108,188.21 is: 149,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,684.89 : 232,692.99 = 108,188.21 : x
  2. Step 2: Convert to fraction form
    168,684.89/232,692.99 = 108,188.21/x
  3. Step 3: Cross multiply
    168,684.89x = 232,692.99 × 108,188.21
  4. Step 4: Simplify right side
    168,684.89x = 25,174,636,904.18
  5. Step 5: Solve for x
    x = 25,174,636,904.18/168,684.89
  6. Step 6: Final answer
    x = 149,240.62

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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.