Home / 144,186.24-198,975.60-80,522.40

Finding the Fourth Proportional to 144,186.24, 198,975.60 and 80,522.40

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Solution

The fourth proportional to 144,186.24, 198,975.60 and 80,522.40 is: 111,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,186.24 : 198,975.60 = 80,522.40 : x
  2. Step 2: Convert to fraction form
    144,186.24/198,975.60 = 80,522.40/x
  3. Step 3: Cross multiply
    144,186.24x = 198,975.60 × 80,522.40
  4. Step 4: Simplify right side
    144,186.24x = 16,021,992,853.44
  5. Step 5: Solve for x
    x = 16,021,992,853.44/144,186.24
  6. Step 6: Final answer
    x = 111,120.12

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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.