Home / 141,168.48-194,756.94-80,706.64

Finding the Fourth Proportional to 141,168.48, 194,756.94 and 80,706.64

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Solution

The fourth proportional to 141,168.48, 194,756.94 and 80,706.64 is: 111,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,168.48 : 194,756.94 = 80,706.64 : x
  2. Step 2: Convert to fraction form
    141,168.48/194,756.94 = 80,706.64/x
  3. Step 3: Cross multiply
    141,168.48x = 194,756.94 × 80,706.64
  4. Step 4: Simplify right side
    141,168.48x = 15,718,178,790.18
  5. Step 5: Solve for x
    x = 15,718,178,790.18/141,168.48
  6. Step 6: Final answer
    x = 111,343.40

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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.