Home / 168,012.40-251,500.20-97,682.80

Finding the Fourth Proportional to 168,012.40, 251,500.20 and 97,682.80

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Solution

The fourth proportional to 168,012.40, 251,500.20 and 97,682.80 is: 146,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,012.40 : 251,500.20 = 97,682.80 : x
  2. Step 2: Convert to fraction form
    168,012.40/251,500.20 = 97,682.80/x
  3. Step 3: Cross multiply
    168,012.40x = 251,500.20 × 97,682.80
  4. Step 4: Simplify right side
    168,012.40x = 24,567,243,736.56
  5. Step 5: Solve for x
    x = 24,567,243,736.56/168,012.40
  6. Step 6: Final answer
    x = 146,222.80

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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.