Home / 150,172.26-207,217.22-89,730.14

Finding the Fourth Proportional to 150,172.26, 207,217.22 and 89,730.14

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Solution

The fourth proportional to 150,172.26, 207,217.22 and 89,730.14 is: 123,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,172.26 : 207,217.22 = 89,730.14 : x
  2. Step 2: Convert to fraction form
    150,172.26/207,217.22 = 89,730.14/x
  3. Step 3: Cross multiply
    150,172.26x = 207,217.22 × 89,730.14
  4. Step 4: Simplify right side
    150,172.26x = 18,593,630,161.01
  5. Step 5: Solve for x
    x = 18,593,630,161.01/150,172.26
  6. Step 6: Final answer
    x = 123,815.34

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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.