Home / 100,222.80-150,335.46-30,098.04

Finding the Fourth Proportional to 100,222.80, 150,335.46 and 30,098.04

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Solution

The fourth proportional to 100,222.80, 150,335.46 and 30,098.04 is: 45,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,222.80 : 150,335.46 = 30,098.04 : x
  2. Step 2: Convert to fraction form
    100,222.80/150,335.46 = 30,098.04/x
  3. Step 3: Cross multiply
    100,222.80x = 150,335.46 × 30,098.04
  4. Step 4: Simplify right side
    100,222.80x = 4,524,802,688.50
  5. Step 5: Solve for x
    x = 4,524,802,688.50/100,222.80
  6. Step 6: Final answer
    x = 45,147.44

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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.