Home / 251,112.02-376,274.30-213,517.49

Finding the Fourth Proportional to 251,112.02, 376,274.30 and 213,517.49

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Solution

The fourth proportional to 251,112.02, 376,274.30 and 213,517.49 is: 319,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,112.02 : 376,274.30 = 213,517.49 : x
  2. Step 2: Convert to fraction form
    251,112.02/376,274.30 = 213,517.49/x
  3. Step 3: Cross multiply
    251,112.02x = 376,274.30 × 213,517.49
  4. Step 4: Simplify right side
    251,112.02x = 80,341,141,138.55
  5. Step 5: Solve for x
    x = 80,341,141,138.55/251,112.02
  6. Step 6: Final answer
    x = 319,941.45

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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.