Home / 325,132.38-448,615.46-223,120.63

Finding the Fourth Proportional to 325,132.38, 448,615.46 and 223,120.63

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Solution

The fourth proportional to 325,132.38, 448,615.46 and 223,120.63 is: 307,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,132.38 : 448,615.46 = 223,120.63 : x
  2. Step 2: Convert to fraction form
    325,132.38/448,615.46 = 223,120.63/x
  3. Step 3: Cross multiply
    325,132.38x = 448,615.46 × 223,120.63
  4. Step 4: Simplify right side
    325,132.38x = 100,095,362,658.05
  5. Step 5: Solve for x
    x = 100,095,362,658.05/325,132.38
  6. Step 6: Final answer
    x = 307,860.33

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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.