Home / 150,401.62-207,534.45-89,950.20

Finding the Fourth Proportional to 150,401.62, 207,534.45 and 89,950.20

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Solution

The fourth proportional to 150,401.62, 207,534.45 and 89,950.20 is: 124,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,401.62 : 207,534.45 = 89,950.20 : x
  2. Step 2: Convert to fraction form
    150,401.62/207,534.45 = 89,950.20/x
  3. Step 3: Cross multiply
    150,401.62x = 207,534.45 × 89,950.20
  4. Step 4: Simplify right side
    150,401.62x = 18,667,765,284.39
  5. Step 5: Solve for x
    x = 18,667,765,284.39/150,401.62
  6. Step 6: Final answer
    x = 124,119.44

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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.