Home / 140,840.20-211,112.67-52,037.06

Finding the Fourth Proportional to 140,840.20, 211,112.67 and 52,037.06

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Solution

The fourth proportional to 140,840.20, 211,112.67 and 52,037.06 is: 78,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,840.20 : 211,112.67 = 52,037.06 : x
  2. Step 2: Convert to fraction form
    140,840.20/211,112.67 = 52,037.06/x
  3. Step 3: Cross multiply
    140,840.20x = 211,112.67 × 52,037.06
  4. Step 4: Simplify right side
    140,840.20x = 10,985,682,415.36
  5. Step 5: Solve for x
    x = 10,985,682,415.36/140,840.20
  6. Step 6: Final answer
    x = 78,001.05

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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.