Home / 168,395.50-252,700.80-79,654.24

Finding the Fourth Proportional to 168,395.50, 252,700.80 and 79,654.24

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Solution

The fourth proportional to 168,395.50, 252,700.80 and 79,654.24 is: 119,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,395.50 : 252,700.80 = 79,654.24 : x
  2. Step 2: Convert to fraction form
    168,395.50/252,700.80 = 79,654.24/x
  3. Step 3: Cross multiply
    168,395.50x = 252,700.80 × 79,654.24
  4. Step 4: Simplify right side
    168,395.50x = 20,128,690,171.39
  5. Step 5: Solve for x
    x = 20,128,690,171.39/168,395.50
  6. Step 6: Final answer
    x = 119,532.23

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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.