Home / 129,551.72-194,327.62-100,012.68

Finding the Fourth Proportional to 129,551.72, 194,327.62 and 100,012.68

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Solution

The fourth proportional to 129,551.72, 194,327.62 and 100,012.68 is: 150,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,551.72 : 194,327.62 = 100,012.68 : x
  2. Step 2: Convert to fraction form
    129,551.72/194,327.62 = 100,012.68/x
  3. Step 3: Cross multiply
    129,551.72x = 194,327.62 × 100,012.68
  4. Step 4: Simplify right side
    129,551.72x = 19,435,226,074.22
  5. Step 5: Solve for x
    x = 19,435,226,074.22/129,551.72
  6. Step 6: Final answer
    x = 150,019.05

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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.