Home / 140,559.08-193,984.88-76,906.44

Finding the Fourth Proportional to 140,559.08, 193,984.88 and 76,906.44

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Solution

The fourth proportional to 140,559.08, 193,984.88 and 76,906.44 is: 106,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,559.08 : 193,984.88 = 76,906.44 : x
  2. Step 2: Convert to fraction form
    140,559.08/193,984.88 = 76,906.44/x
  3. Step 3: Cross multiply
    140,559.08x = 193,984.88 × 76,906.44
  4. Step 4: Simplify right side
    140,559.08x = 14,918,686,150.10
  5. Step 5: Solve for x
    x = 14,918,686,150.10/140,559.08
  6. Step 6: Final answer
    x = 106,138.19

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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.