Home / 355,961.72-533,928.74-131,224.93

Finding the Fourth Proportional to 355,961.72, 533,928.74 and 131,224.93

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Solution

The fourth proportional to 355,961.72, 533,928.74 and 131,224.93 is: 196,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961.72 : 533,928.74 = 131,224.93 : x
  2. Step 2: Convert to fraction form
    355,961.72/533,928.74 = 131,224.93/x
  3. Step 3: Cross multiply
    355,961.72x = 533,928.74 × 131,224.93
  4. Step 4: Simplify right side
    355,961.72x = 70,064,759,540.54
  5. Step 5: Solve for x
    x = 70,064,759,540.54/355,961.72
  6. Step 6: Final answer
    x = 196,832.29

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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.