Home / 111,684.15-167,285.66-52,431.03

Finding the Fourth Proportional to 111,684.15, 167,285.66 and 52,431.03

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Solution

The fourth proportional to 111,684.15, 167,285.66 and 52,431.03 is: 78,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,684.15 : 167,285.66 = 52,431.03 : x
  2. Step 2: Convert to fraction form
    111,684.15/167,285.66 = 52,431.03/x
  3. Step 3: Cross multiply
    111,684.15x = 167,285.66 × 52,431.03
  4. Step 4: Simplify right side
    111,684.15x = 8,770,959,195.87
  5. Step 5: Solve for x
    x = 8,770,959,195.87/111,684.15
  6. Step 6: Final answer
    x = 78,533.61

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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.