Home / 197,920.64-273,127.53-111,876.60

Finding the Fourth Proportional to 197,920.64, 273,127.53 and 111,876.60

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Solution

The fourth proportional to 197,920.64, 273,127.53 and 111,876.60 is: 154,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,920.64 : 273,127.53 = 111,876.60 : x
  2. Step 2: Convert to fraction form
    197,920.64/273,127.53 = 111,876.60/x
  3. Step 3: Cross multiply
    197,920.64x = 273,127.53 × 111,876.60
  4. Step 4: Simplify right side
    197,920.64x = 30,556,580,788.78
  5. Step 5: Solve for x
    x = 30,556,580,788.78/197,920.64
  6. Step 6: Final answer
    x = 154,388.05

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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.