Home / 192,000.36-264,961.26-107,121

Finding the Fourth Proportional to 192,000.36, 264,961.26 and 107,121

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Solution

The fourth proportional to 192,000.36, 264,961.26 and 107,121 is: 147,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,000.36 : 264,961.26 = 107,121 : x
  2. Step 2: Convert to fraction form
    192,000.36/264,961.26 = 107,121/x
  3. Step 3: Cross multiply
    192,000.36x = 264,961.26 × 107,121
  4. Step 4: Simplify right side
    192,000.36x = 28,382,915,132.46
  5. Step 5: Solve for x
    x = 28,382,915,132.46/192,000.36
  6. Step 6: Final answer
    x = 147,827.41

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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.