Home / 168,778.64-252,400.05-126,114.32

Finding the Fourth Proportional to 168,778.64, 252,400.05 and 126,114.32

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Solution

The fourth proportional to 168,778.64, 252,400.05 and 126,114.32 is: 188,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,778.64 : 252,400.05 = 126,114.32 : x
  2. Step 2: Convert to fraction form
    168,778.64/252,400.05 = 126,114.32/x
  3. Step 3: Cross multiply
    168,778.64x = 252,400.05 × 126,114.32
  4. Step 4: Simplify right side
    168,778.64x = 31,831,260,673.72
  5. Step 5: Solve for x
    x = 31,831,260,673.72/168,778.64
  6. Step 6: Final answer
    x = 188,597.68

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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.