Home / 280,164.36-386,573.94-166,997.64

Finding the Fourth Proportional to 280,164.36, 386,573.94 and 166,997.64

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Solution

The fourth proportional to 280,164.36, 386,573.94 and 166,997.64 is: 230,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,164.36 : 386,573.94 = 166,997.64 : x
  2. Step 2: Convert to fraction form
    280,164.36/386,573.94 = 166,997.64/x
  3. Step 3: Cross multiply
    280,164.36x = 386,573.94 × 166,997.64
  4. Step 4: Simplify right side
    280,164.36x = 64,556,935,665.50
  5. Step 5: Solve for x
    x = 64,556,935,665.50/280,164.36
  6. Step 6: Final answer
    x = 230,425.22

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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.