Home / 144,455.85-199,347.93-80,793.60

Finding the Fourth Proportional to 144,455.85, 199,347.93 and 80,793.60

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Solution

The fourth proportional to 144,455.85, 199,347.93 and 80,793.60 is: 111,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,455.85 : 199,347.93 = 80,793.60 : x
  2. Step 2: Convert to fraction form
    144,455.85/199,347.93 = 80,793.60/x
  3. Step 3: Cross multiply
    144,455.85x = 199,347.93 × 80,793.60
  4. Step 4: Simplify right side
    144,455.85x = 16,106,036,917.25
  5. Step 5: Solve for x
    x = 16,106,036,917.25/144,455.85
  6. Step 6: Final answer
    x = 111,494.53

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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.