Home / 171,054.03-256,622.89-120,551.59

Finding the Fourth Proportional to 171,054.03, 256,622.89 and 120,551.59

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Solution

The fourth proportional to 171,054.03, 256,622.89 and 120,551.59 is: 180,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,054.03 : 256,622.89 = 120,551.59 : x
  2. Step 2: Convert to fraction form
    171,054.03/256,622.89 = 120,551.59/x
  3. Step 3: Cross multiply
    171,054.03x = 256,622.89 × 120,551.59
  4. Step 4: Simplify right side
    171,054.03x = 30,936,297,419.90
  5. Step 5: Solve for x
    x = 30,936,297,419.90/171,054.03
  6. Step 6: Final answer
    x = 180,856.88

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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.