Home / 168,381.57-253,113.66-135,467.22

Finding the Fourth Proportional to 168,381.57, 253,113.66 and 135,467.22

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Solution

The fourth proportional to 168,381.57, 253,113.66 and 135,467.22 is: 203,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,381.57 : 253,113.66 = 135,467.22 : x
  2. Step 2: Convert to fraction form
    168,381.57/253,113.66 = 135,467.22/x
  3. Step 3: Cross multiply
    168,381.57x = 253,113.66 × 135,467.22
  4. Step 4: Simplify right side
    168,381.57x = 34,288,603,864.23
  5. Step 5: Solve for x
    x = 34,288,603,864.23/168,381.57
  6. Step 6: Final answer
    x = 203,636.32

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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.