Home / 140,922.57-211,250.19-52,115.79

Finding the Fourth Proportional to 140,922.57, 211,250.19 and 52,115.79

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Solution

The fourth proportional to 140,922.57, 211,250.19 and 52,115.79 is: 78,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,922.57 : 211,250.19 = 52,115.79 : x
  2. Step 2: Convert to fraction form
    140,922.57/211,250.19 = 52,115.79/x
  3. Step 3: Cross multiply
    140,922.57x = 211,250.19 × 52,115.79
  4. Step 4: Simplify right side
    140,922.57x = 11,009,470,539.50
  5. Step 5: Solve for x
    x = 11,009,470,539.50/140,922.57
  6. Step 6: Final answer
    x = 78,124.25

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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.