Home / 129,346.59-194,020.85-45,106.59

Finding the Fourth Proportional to 129,346.59, 194,020.85 and 45,106.59

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Solution

The fourth proportional to 129,346.59, 194,020.85 and 45,106.59 is: 67,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346.59 : 194,020.85 = 45,106.59 : x
  2. Step 2: Convert to fraction form
    129,346.59/194,020.85 = 45,106.59/x
  3. Step 3: Cross multiply
    129,346.59x = 194,020.85 × 45,106.59
  4. Step 4: Simplify right side
    129,346.59x = 8,751,618,706.87
  5. Step 5: Solve for x
    x = 8,751,618,706.87/129,346.59
  6. Step 6: Final answer
    x = 67,660.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.