Home / 199,971.48-275,967.39-109,325.64

Finding the Fourth Proportional to 199,971.48, 275,967.39 and 109,325.64

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Solution

The fourth proportional to 199,971.48, 275,967.39 and 109,325.64 is: 150,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,971.48 : 275,967.39 = 109,325.64 : x
  2. Step 2: Convert to fraction form
    199,971.48/275,967.39 = 109,325.64/x
  3. Step 3: Cross multiply
    199,971.48x = 275,967.39 × 109,325.64
  4. Step 4: Simplify right side
    199,971.48x = 30,170,311,530.88
  5. Step 5: Solve for x
    x = 30,170,311,530.88/199,971.48
  6. Step 6: Final answer
    x = 150,873.07

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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.