Home / 168,006.40-252,018.64-68,151.68

Finding the Fourth Proportional to 168,006.40, 252,018.64 and 68,151.68

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Solution

The fourth proportional to 168,006.40, 252,018.64 and 68,151.68 is: 102,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,006.40 : 252,018.64 = 68,151.68 : x
  2. Step 2: Convert to fraction form
    168,006.40/252,018.64 = 68,151.68/x
  3. Step 3: Cross multiply
    168,006.40x = 252,018.64 × 68,151.68
  4. Step 4: Simplify right side
    168,006.40x = 17,175,493,707.32
  5. Step 5: Solve for x
    x = 17,175,493,707.32/168,006.40
  6. Step 6: Final answer
    x = 102,231.19

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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.