Home / 140,634.24-210,983.04-47,137.60

Finding the Fourth Proportional to 140,634.24, 210,983.04 and 47,137.60

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Solution

The fourth proportional to 140,634.24, 210,983.04 and 47,137.60 is: 70,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634.24 : 210,983.04 = 47,137.60 : x
  2. Step 2: Convert to fraction form
    140,634.24/210,983.04 = 47,137.60/x
  3. Step 3: Cross multiply
    140,634.24x = 210,983.04 × 47,137.60
  4. Step 4: Simplify right side
    140,634.24x = 9,945,234,146.30
  5. Step 5: Solve for x
    x = 9,945,234,146.30/140,634.24
  6. Step 6: Final answer
    x = 70,717.02

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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.