Home / 156,172.08-234,351.42-143,467.32

Finding the Fourth Proportional to 156,172.08, 234,351.42 and 143,467.32

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Solution

The fourth proportional to 156,172.08, 234,351.42 and 143,467.32 is: 215,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,172.08 : 234,351.42 = 143,467.32 : x
  2. Step 2: Convert to fraction form
    156,172.08/234,351.42 = 143,467.32/x
  3. Step 3: Cross multiply
    156,172.08x = 234,351.42 × 143,467.32
  4. Step 4: Simplify right side
    156,172.08x = 33,621,770,165.59
  5. Step 5: Solve for x
    x = 33,621,770,165.59/156,172.08
  6. Step 6: Final answer
    x = 215,286.69

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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.