Home / 447,544.48-671,085.60-131,961.28

Finding the Fourth Proportional to 447,544.48, 671,085.60 and 131,961.28

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Solution

The fourth proportional to 447,544.48, 671,085.60 and 131,961.28 is: 197,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,544.48 : 671,085.60 = 131,961.28 : x
  2. Step 2: Convert to fraction form
    447,544.48/671,085.60 = 131,961.28/x
  3. Step 3: Cross multiply
    447,544.48x = 671,085.60 × 131,961.28
  4. Step 4: Simplify right side
    447,544.48x = 88,557,314,765.57
  5. Step 5: Solve for x
    x = 88,557,314,765.57/447,544.48
  6. Step 6: Final answer
    x = 197,873.77

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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.