Home / 148,388.49-204,779.93-91,059.48

Finding the Fourth Proportional to 148,388.49, 204,779.93 and 91,059.48

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Solution

The fourth proportional to 148,388.49, 204,779.93 and 91,059.48 is: 125,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388.49 : 204,779.93 = 91,059.48 : x
  2. Step 2: Convert to fraction form
    148,388.49/204,779.93 = 91,059.48/x
  3. Step 3: Cross multiply
    148,388.49x = 204,779.93 × 91,059.48
  4. Step 4: Simplify right side
    148,388.49x = 18,647,153,484.94
  5. Step 5: Solve for x
    x = 18,647,153,484.94/148,388.49
  6. Step 6: Final answer
    x = 125,664.42

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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.