Home / 251,252.80-376,257.12-140,211.52

Finding the Fourth Proportional to 251,252.80, 376,257.12 and 140,211.52

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Solution

The fourth proportional to 251,252.80, 376,257.12 and 140,211.52 is: 209,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,252.80 : 376,257.12 = 140,211.52 : x
  2. Step 2: Convert to fraction form
    251,252.80/376,257.12 = 140,211.52/x
  3. Step 3: Cross multiply
    251,252.80x = 376,257.12 × 140,211.52
  4. Step 4: Simplify right side
    251,252.80x = 52,755,582,706.02
  5. Step 5: Solve for x
    x = 52,755,582,706.02/251,252.80
  6. Step 6: Final answer
    x = 209,970.13

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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.