Home / 199,667.10-275,533.34-109,021.44

Finding the Fourth Proportional to 199,667.10, 275,533.34 and 109,021.44

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Solution

The fourth proportional to 199,667.10, 275,533.34 and 109,021.44 is: 150,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,667.10 : 275,533.34 = 109,021.44 : x
  2. Step 2: Convert to fraction form
    199,667.10/275,533.34 = 109,021.44/x
  3. Step 3: Cross multiply
    199,667.10x = 275,533.34 × 109,021.44
  4. Step 4: Simplify right side
    199,667.10x = 30,039,041,494.81
  5. Step 5: Solve for x
    x = 30,039,041,494.81/199,667.10
  6. Step 6: Final answer
    x = 150,445.62

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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.