Home / 150,579.27-225,567.74-90,574.61

Finding the Fourth Proportional to 150,579.27, 225,567.74 and 90,574.61

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Solution

The fourth proportional to 150,579.27, 225,567.74 and 90,574.61 is: 135,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,579.27 : 225,567.74 = 90,574.61 : x
  2. Step 2: Convert to fraction form
    150,579.27/225,567.74 = 90,574.61/x
  3. Step 3: Cross multiply
    150,579.27x = 225,567.74 × 90,574.61
  4. Step 4: Simplify right side
    150,579.27x = 20,430,708,498.37
  5. Step 5: Solve for x
    x = 20,430,708,498.37/150,579.27
  6. Step 6: Final answer
    x = 135,680.75

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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.