Home / 144,468.10-199,355.16-80,793.60

Finding the Fourth Proportional to 144,468.10, 199,355.16 and 80,793.60

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Solution

The fourth proportional to 144,468.10, 199,355.16 and 80,793.60 is: 111,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,468.10 : 199,355.16 = 80,793.60 : x
  2. Step 2: Convert to fraction form
    144,468.10/199,355.16 = 80,793.60/x
  3. Step 3: Cross multiply
    144,468.10x = 199,355.16 × 80,793.60
  4. Step 4: Simplify right side
    144,468.10x = 16,106,621,054.98
  5. Step 5: Solve for x
    x = 16,106,621,054.98/144,468.10
  6. Step 6: Final answer
    x = 111,489.12

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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.