Home / 144,556.36-199,483.22-80,021.64

Finding the Fourth Proportional to 144,556.36, 199,483.22 and 80,021.64

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Solution

The fourth proportional to 144,556.36, 199,483.22 and 80,021.64 is: 110,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,556.36 : 199,483.22 = 80,021.64 : x
  2. Step 2: Convert to fraction form
    144,556.36/199,483.22 = 80,021.64/x
  3. Step 3: Cross multiply
    144,556.36x = 199,483.22 × 80,021.64
  4. Step 4: Simplify right side
    144,556.36x = 15,962,974,416.88
  5. Step 5: Solve for x
    x = 15,962,974,416.88/144,556.36
  6. Step 6: Final answer
    x = 110,427.34

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1.5x scale

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.