Home / 168,664.80-252,997.20-161,666.40

Finding the Fourth Proportional to 168,664.80, 252,997.20 and 161,666.40

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Solution

The fourth proportional to 168,664.80, 252,997.20 and 161,666.40 is: 242,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,664.80 : 252,997.20 = 161,666.40 : x
  2. Step 2: Convert to fraction form
    168,664.80/252,997.20 = 161,666.40/x
  3. Step 3: Cross multiply
    168,664.80x = 252,997.20 × 161,666.40
  4. Step 4: Simplify right side
    168,664.80x = 40,901,146,534.08
  5. Step 5: Solve for x
    x = 40,901,146,534.08/168,664.80
  6. Step 6: Final answer
    x = 242,499.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.