Home / 140,584.32-210,808.44-51,879.60

Finding the Fourth Proportional to 140,584.32, 210,808.44 and 51,879.60

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Solution

The fourth proportional to 140,584.32, 210,808.44 and 51,879.60 is: 77,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,584.32 : 210,808.44 = 51,879.60 : x
  2. Step 2: Convert to fraction form
    140,584.32/210,808.44 = 51,879.60/x
  3. Step 3: Cross multiply
    140,584.32x = 210,808.44 × 51,879.60
  4. Step 4: Simplify right side
    140,584.32x = 10,936,657,543.82
  5. Step 5: Solve for x
    x = 10,936,657,543.82/140,584.32
  6. Step 6: Final answer
    x = 77,794.29

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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.