Home / 168,605.20-232,577.76-108,154.36

Finding the Fourth Proportional to 168,605.20, 232,577.76 and 108,154.36

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Solution

The fourth proportional to 168,605.20, 232,577.76 and 108,154.36 is: 149,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,605.20 : 232,577.76 = 108,154.36 : x
  2. Step 2: Convert to fraction form
    168,605.20/232,577.76 = 108,154.36/x
  3. Step 3: Cross multiply
    168,605.20x = 232,577.76 × 108,154.36
  4. Step 4: Simplify right side
    168,605.20x = 25,154,298,783.03
  5. Step 5: Solve for x
    x = 25,154,298,783.03/168,605.20
  6. Step 6: Final answer
    x = 149,190.53

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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.