Home / 140,560.08-193,986.26-76,907.44

Finding the Fourth Proportional to 140,560.08, 193,986.26 and 76,907.44

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Solution

The fourth proportional to 140,560.08, 193,986.26 and 76,907.44 is: 106,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,560.08 : 193,986.26 = 76,907.44 : x
  2. Step 2: Convert to fraction form
    140,560.08/193,986.26 = 76,907.44/x
  3. Step 3: Cross multiply
    140,560.08x = 193,986.26 × 76,907.44
  4. Step 4: Simplify right side
    140,560.08x = 14,918,986,651.77
  5. Step 5: Solve for x
    x = 14,918,986,651.77/140,560.08
  6. Step 6: Final answer
    x = 106,139.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.