Home / 322,984.77-445,715.73-179,742.39

Finding the Fourth Proportional to 322,984.77, 445,715.73 and 179,742.39

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Solution

The fourth proportional to 322,984.77, 445,715.73 and 179,742.39 is: 248,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,984.77 : 445,715.73 = 179,742.39 : x
  2. Step 2: Convert to fraction form
    322,984.77/445,715.73 = 179,742.39/x
  3. Step 3: Cross multiply
    322,984.77x = 445,715.73 × 179,742.39
  4. Step 4: Simplify right side
    322,984.77x = 80,114,010,570.79
  5. Step 5: Solve for x
    x = 80,114,010,570.79/322,984.77
  6. Step 6: Final answer
    x = 248,042.69

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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.