Home / 256,148.20-384,199.26-181,587.88

Finding the Fourth Proportional to 256,148.20, 384,199.26 and 181,587.88

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Solution

The fourth proportional to 256,148.20, 384,199.26 and 181,587.88 is: 272,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,148.20 : 384,199.26 = 181,587.88 : x
  2. Step 2: Convert to fraction form
    256,148.20/384,199.26 = 181,587.88/x
  3. Step 3: Cross multiply
    256,148.20x = 384,199.26 × 181,587.88
  4. Step 4: Simplify right side
    256,148.20x = 69,765,929,120.97
  5. Step 5: Solve for x
    x = 69,765,929,120.97/256,148.20
  6. Step 6: Final answer
    x = 272,365.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.