Home / 395,302.05-545,532.36-223,256.24

Finding the Fourth Proportional to 395,302.05, 545,532.36 and 223,256.24

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Solution

The fourth proportional to 395,302.05, 545,532.36 and 223,256.24 is: 308,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,302.05 : 545,532.36 = 223,256.24 : x
  2. Step 2: Convert to fraction form
    395,302.05/545,532.36 = 223,256.24/x
  3. Step 3: Cross multiply
    395,302.05x = 545,532.36 × 223,256.24
  4. Step 4: Simplify right side
    395,302.05x = 121,793,500,764.27
  5. Step 5: Solve for x
    x = 121,793,500,764.27/395,302.05
  6. Step 6: Final answer
    x = 308,102.38

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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.