Home / 211,442.36-291,794.46-115,943.36

Finding the Fourth Proportional to 211,442.36, 291,794.46 and 115,943.36

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Solution

The fourth proportional to 211,442.36, 291,794.46 and 115,943.36 is: 160,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,442.36 : 291,794.46 = 115,943.36 : x
  2. Step 2: Convert to fraction form
    211,442.36/291,794.46 = 115,943.36/x
  3. Step 3: Cross multiply
    211,442.36x = 291,794.46 × 115,943.36
  4. Step 4: Simplify right side
    211,442.36x = 33,831,630,121.79
  5. Step 5: Solve for x
    x = 33,831,630,121.79/211,442.36
  6. Step 6: Final answer
    x = 160,004.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.