Home / 291,936.40-437,917.56-114,427.60

Finding the Fourth Proportional to 291,936.40, 437,917.56 and 114,427.60

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Solution

The fourth proportional to 291,936.40, 437,917.56 and 114,427.60 is: 171,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,936.40 : 437,917.56 = 114,427.60 : x
  2. Step 2: Convert to fraction form
    291,936.40/437,917.56 = 114,427.60/x
  3. Step 3: Cross multiply
    291,936.40x = 437,917.56 × 114,427.60
  4. Step 4: Simplify right side
    291,936.40x = 50,109,855,388.66
  5. Step 5: Solve for x
    x = 50,109,855,388.66/291,936.40
  6. Step 6: Final answer
    x = 171,646.48

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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.