Home / 613,226.51-919,769.68-163,982.40

Finding the Fourth Proportional to 613,226.51, 919,769.68 and 163,982.40

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Solution

The fourth proportional to 613,226.51, 919,769.68 and 163,982.40 is: 245,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,226.51 : 919,769.68 = 163,982.40 : x
  2. Step 2: Convert to fraction form
    613,226.51/919,769.68 = 163,982.40/x
  3. Step 3: Cross multiply
    613,226.51x = 919,769.68 × 163,982.40
  4. Step 4: Simplify right side
    613,226.51x = 150,826,039,163.68
  5. Step 5: Solve for x
    x = 150,826,039,163.68/613,226.51
  6. Step 6: Final answer
    x = 245,954.86

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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.