Home / 199,643.34-275,500.58-108,997.64

Finding the Fourth Proportional to 199,643.34, 275,500.58 and 108,997.64

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Solution

The fourth proportional to 199,643.34, 275,500.58 and 108,997.64 is: 150,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,643.34 : 275,500.58 = 108,997.64 : x
  2. Step 2: Convert to fraction form
    199,643.34/275,500.58 = 108,997.64/x
  3. Step 3: Cross multiply
    199,643.34x = 275,500.58 × 108,997.64
  4. Step 4: Simplify right side
    199,643.34x = 30,028,911,116.14
  5. Step 5: Solve for x
    x = 30,028,911,116.14/199,643.34
  6. Step 6: Final answer
    x = 150,412.79

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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.