Home / 319,493.02-441,045.19-203,254.28

Finding the Fourth Proportional to 319,493.02, 441,045.19 and 203,254.28

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Solution

The fourth proportional to 319,493.02, 441,045.19 and 203,254.28 is: 280,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,493.02 : 441,045.19 = 203,254.28 : x
  2. Step 2: Convert to fraction form
    319,493.02/441,045.19 = 203,254.28/x
  3. Step 3: Cross multiply
    319,493.02x = 441,045.19 × 203,254.28
  4. Step 4: Simplify right side
    319,493.02x = 89,644,322,540.91
  5. Step 5: Solve for x
    x = 89,644,322,540.91/319,493.02
  6. Step 6: Final answer
    x = 280,583.04

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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.