Home / 395,351.68-545,563.20-234,222.16

Finding the Fourth Proportional to 395,351.68, 545,563.20 and 234,222.16

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Solution

The fourth proportional to 395,351.68, 545,563.20 and 234,222.16 is: 323,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,351.68 : 545,563.20 = 234,222.16 : x
  2. Step 2: Convert to fraction form
    395,351.68/545,563.20 = 234,222.16/x
  3. Step 3: Cross multiply
    395,351.68x = 545,563.20 × 234,222.16
  4. Step 4: Simplify right side
    395,351.68x = 127,782,991,120.51
  5. Step 5: Solve for x
    x = 127,782,991,120.51/395,351.68
  6. Step 6: Final answer
    x = 323,213.48

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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.