Home / 291,321.47-436,795.37-201,111.44

Finding the Fourth Proportional to 291,321.47, 436,795.37 and 201,111.44

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Solution

The fourth proportional to 291,321.47, 436,795.37 and 201,111.44 is: 301,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,321.47 : 436,795.37 = 201,111.44 : x
  2. Step 2: Convert to fraction form
    291,321.47/436,795.37 = 201,111.44/x
  3. Step 3: Cross multiply
    291,321.47x = 436,795.37 × 201,111.44
  4. Step 4: Simplify right side
    291,321.47x = 87,844,544,785.53
  5. Step 5: Solve for x
    x = 87,844,544,785.53/291,321.47
  6. Step 6: Final answer
    x = 301,538.18

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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.