Home / 199,415.24-275,188.66-109,991.24

Finding the Fourth Proportional to 199,415.24, 275,188.66 and 109,991.24

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Solution

The fourth proportional to 199,415.24, 275,188.66 and 109,991.24 is: 151,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,415.24 : 275,188.66 = 109,991.24 : x
  2. Step 2: Convert to fraction form
    199,415.24/275,188.66 = 109,991.24/x
  3. Step 3: Cross multiply
    199,415.24x = 275,188.66 × 109,991.24
  4. Step 4: Simplify right side
    199,415.24x = 30,268,341,947.34
  5. Step 5: Solve for x
    x = 30,268,341,947.34/199,415.24
  6. Step 6: Final answer
    x = 151,785.50

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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.