Home / 129,899.70-194,849.55-94,907.70

Finding the Fourth Proportional to 129,899.70, 194,849.55 and 94,907.70

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Solution

The fourth proportional to 129,899.70, 194,849.55 and 94,907.70 is: 142,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,899.70 : 194,849.55 = 94,907.70 : x
  2. Step 2: Convert to fraction form
    129,899.70/194,849.55 = 94,907.70/x
  3. Step 3: Cross multiply
    129,899.70x = 194,849.55 × 94,907.70
  4. Step 4: Simplify right side
    129,899.70x = 18,492,722,636.54
  5. Step 5: Solve for x
    x = 18,492,722,636.54/129,899.70
  6. Step 6: Final answer
    x = 142,361.55

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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.