Home / 189,556.78-261,276.48-134,384.44

Finding the Fourth Proportional to 189,556.78, 261,276.48 and 134,384.44

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Solution

The fourth proportional to 189,556.78, 261,276.48 and 134,384.44 is: 185,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,556.78 : 261,276.48 = 134,384.44 : x
  2. Step 2: Convert to fraction form
    189,556.78/261,276.48 = 134,384.44/x
  3. Step 3: Cross multiply
    189,556.78x = 261,276.48 × 134,384.44
  4. Step 4: Simplify right side
    189,556.78x = 35,111,493,449.97
  5. Step 5: Solve for x
    x = 35,111,493,449.97/189,556.78
  6. Step 6: Final answer
    x = 185,229.43

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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.