Home / 455,724.52-683,664.54-140,174.44

Finding the Fourth Proportional to 455,724.52, 683,664.54 and 140,174.44

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Solution

The fourth proportional to 455,724.52, 683,664.54 and 140,174.44 is: 210,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,724.52 : 683,664.54 = 140,174.44 : x
  2. Step 2: Convert to fraction form
    455,724.52/683,664.54 = 140,174.44/x
  3. Step 3: Cross multiply
    455,724.52x = 683,664.54 × 140,174.44
  4. Step 4: Simplify right side
    455,724.52x = 95,832,294,042.36
  5. Step 5: Solve for x
    x = 95,832,294,042.36/455,724.52
  6. Step 6: Final answer
    x = 210,285.58

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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.