Home / 322,723.48-445,352.05-179,480.45

Finding the Fourth Proportional to 322,723.48, 445,352.05 and 179,480.45

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Solution

The fourth proportional to 322,723.48, 445,352.05 and 179,480.45 is: 247,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,723.48 : 445,352.05 = 179,480.45 : x
  2. Step 2: Convert to fraction form
    322,723.48/445,352.05 = 179,480.45/x
  3. Step 3: Cross multiply
    322,723.48x = 445,352.05 × 179,480.45
  4. Step 4: Simplify right side
    322,723.48x = 79,931,986,342.42
  5. Step 5: Solve for x
    x = 79,931,986,342.42/322,723.48
  6. Step 6: Final answer
    x = 247,679.49

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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.