Home / 144,007.48-198,739.88-80,346.66

Finding the Fourth Proportional to 144,007.48, 198,739.88 and 80,346.66

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Solution

The fourth proportional to 144,007.48, 198,739.88 and 80,346.66 is: 110,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,007.48 : 198,739.88 = 80,346.66 : x
  2. Step 2: Convert to fraction form
    144,007.48/198,739.88 = 80,346.66/x
  3. Step 3: Cross multiply
    144,007.48x = 198,739.88 × 80,346.66
  4. Step 4: Simplify right side
    144,007.48x = 15,968,085,566.80
  5. Step 5: Solve for x
    x = 15,968,085,566.80/144,007.48
  6. Step 6: Final answer
    x = 110,883.72

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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.