Home / 199,550.37-299,314.61-120,643.41

Finding the Fourth Proportional to 199,550.37, 299,314.61 and 120,643.41

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Solution

The fourth proportional to 199,550.37, 299,314.61 and 120,643.41 is: 180,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,550.37 : 299,314.61 = 120,643.41 : x
  2. Step 2: Convert to fraction form
    199,550.37/299,314.61 = 120,643.41/x
  3. Step 3: Cross multiply
    199,550.37x = 299,314.61 × 120,643.41
  4. Step 4: Simplify right side
    199,550.37x = 36,110,335,213.22
  5. Step 5: Solve for x
    x = 36,110,335,213.22/199,550.37
  6. Step 6: Final answer
    x = 180,958.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.