Home / 144,081.27-198,824.04-80,423.16

Finding the Fourth Proportional to 144,081.27, 198,824.04 and 80,423.16

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Solution

The fourth proportional to 144,081.27, 198,824.04 and 80,423.16 is: 110,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,081.27 : 198,824.04 = 80,423.16 : x
  2. Step 2: Convert to fraction form
    144,081.27/198,824.04 = 80,423.16/x
  3. Step 3: Cross multiply
    144,081.27x = 198,824.04 × 80,423.16
  4. Step 4: Simplify right side
    144,081.27x = 15,990,057,580.77
  5. Step 5: Solve for x
    x = 15,990,057,580.77/144,081.27
  6. Step 6: Final answer
    x = 110,979.43

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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.