Home / 150,093.08-207,130.07-82,108.59

Finding the Fourth Proportional to 150,093.08, 207,130.07 and 82,108.59

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Solution

The fourth proportional to 150,093.08, 207,130.07 and 82,108.59 is: 113,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,093.08 : 207,130.07 = 82,108.59 : x
  2. Step 2: Convert to fraction form
    150,093.08/207,130.07 = 82,108.59/x
  3. Step 3: Cross multiply
    150,093.08x = 207,130.07 × 82,108.59
  4. Step 4: Simplify right side
    150,093.08x = 17,007,158,199.57
  5. Step 5: Solve for x
    x = 17,007,158,199.57/150,093.08
  6. Step 6: Final answer
    x = 113,310.75

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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.