Home / 141,106.68-194,720.34-80,683.92

Finding the Fourth Proportional to 141,106.68, 194,720.34 and 80,683.92

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Solution

The fourth proportional to 141,106.68, 194,720.34 and 80,683.92 is: 111,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,106.68 : 194,720.34 = 80,683.92 : x
  2. Step 2: Convert to fraction form
    141,106.68/194,720.34 = 80,683.92/x
  3. Step 3: Cross multiply
    141,106.68x = 194,720.34 × 80,683.92
  4. Step 4: Simplify right side
    141,106.68x = 15,710,800,334.93
  5. Step 5: Solve for x
    x = 15,710,800,334.93/141,106.68
  6. Step 6: Final answer
    x = 111,339.88

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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.