Home / 368,126.25-551,893.32-208,103.46

Finding the Fourth Proportional to 368,126.25, 551,893.32 and 208,103.46

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Solution

The fourth proportional to 368,126.25, 551,893.32 and 208,103.46 is: 311,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,126.25 : 551,893.32 = 208,103.46 : x
  2. Step 2: Convert to fraction form
    368,126.25/551,893.32 = 208,103.46/x
  3. Step 3: Cross multiply
    368,126.25x = 551,893.32 × 208,103.46
  4. Step 4: Simplify right side
    368,126.25x = 114,850,909,442.89
  5. Step 5: Solve for x
    x = 114,850,909,442.89/368,126.25
  6. Step 6: Final answer
    x = 311,987.83

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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.