Home / 322,721.66-445,388.55-184,918.84

Finding the Fourth Proportional to 322,721.66, 445,388.55 and 184,918.84

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Solution

The fourth proportional to 322,721.66, 445,388.55 and 184,918.84 is: 255,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,721.66 : 445,388.55 = 184,918.84 : x
  2. Step 2: Convert to fraction form
    322,721.66/445,388.55 = 184,918.84/x
  3. Step 3: Cross multiply
    322,721.66x = 445,388.55 × 184,918.84
  4. Step 4: Simplify right side
    322,721.66x = 82,360,731,788.34
  5. Step 5: Solve for x
    x = 82,360,731,788.34/322,721.66
  6. Step 6: Final answer
    x = 255,206.71

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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.