Home / 144,418.88-199,307.24-80,756.68

Finding the Fourth Proportional to 144,418.88, 199,307.24 and 80,756.68

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Solution

The fourth proportional to 144,418.88, 199,307.24 and 80,756.68 is: 111,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,418.88 : 199,307.24 = 80,756.68 : x
  2. Step 2: Convert to fraction form
    144,418.88/199,307.24 = 80,756.68/x
  3. Step 3: Cross multiply
    144,418.88x = 199,307.24 × 80,756.68
  4. Step 4: Simplify right side
    144,418.88x = 16,095,391,002.36
  5. Step 5: Solve for x
    x = 16,095,391,002.36/144,418.88
  6. Step 6: Final answer
    x = 111,449.35

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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.