Home / 150,588.03-207,776.62-90,135.70

Finding the Fourth Proportional to 150,588.03, 207,776.62 and 90,135.70

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Solution

The fourth proportional to 150,588.03, 207,776.62 and 90,135.70 is: 124,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,588.03 : 207,776.62 = 90,135.70 : x
  2. Step 2: Convert to fraction form
    150,588.03/207,776.62 = 90,135.70/x
  3. Step 3: Cross multiply
    150,588.03x = 207,776.62 × 90,135.70
  4. Step 4: Simplify right side
    150,588.03x = 18,728,091,087.33
  5. Step 5: Solve for x
    x = 18,728,091,087.33/150,588.03
  6. Step 6: Final answer
    x = 124,366.40

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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.