Home / 148,340.43-204,710.54-80,357.54

Finding the Fourth Proportional to 148,340.43, 204,710.54 and 80,357.54

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Solution

The fourth proportional to 148,340.43, 204,710.54 and 80,357.54 is: 110,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,340.43 : 204,710.54 = 80,357.54 : x
  2. Step 2: Convert to fraction form
    148,340.43/204,710.54 = 80,357.54/x
  3. Step 3: Cross multiply
    148,340.43x = 204,710.54 × 80,357.54
  4. Step 4: Simplify right side
    148,340.43x = 16,450,033,981.13
  5. Step 5: Solve for x
    x = 16,450,033,981.13/148,340.43
  6. Step 6: Final answer
    x = 110,893.80

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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.