Home / 321,749.97-444,054.35-185,783.57

Finding the Fourth Proportional to 321,749.97, 444,054.35 and 185,783.57

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Solution

The fourth proportional to 321,749.97, 444,054.35 and 185,783.57 is: 256,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,749.97 : 444,054.35 = 185,783.57 : x
  2. Step 2: Convert to fraction form
    321,749.97/444,054.35 = 185,783.57/x
  3. Step 3: Cross multiply
    321,749.97x = 444,054.35 × 185,783.57
  4. Step 4: Simplify right side
    321,749.97x = 82,498,004,824.23
  5. Step 5: Solve for x
    x = 82,498,004,824.23/321,749.97
  6. Step 6: Final answer
    x = 256,404.08

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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.