Home / 197,998.90-273,240.42-107,354.64

Finding the Fourth Proportional to 197,998.90, 273,240.42 and 107,354.64

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Solution

The fourth proportional to 197,998.90, 273,240.42 and 107,354.64 is: 148,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,998.90 : 273,240.42 = 107,354.64 : x
  2. Step 2: Convert to fraction form
    197,998.90/273,240.42 = 107,354.64/x
  3. Step 3: Cross multiply
    197,998.90x = 273,240.42 × 107,354.64
  4. Step 4: Simplify right side
    197,998.90x = 29,333,626,922.55
  5. Step 5: Solve for x
    x = 29,333,626,922.55/197,998.90
  6. Step 6: Final answer
    x = 148,150.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.