Home / 148,339.90-204,709.44-80,357.14

Finding the Fourth Proportional to 148,339.90, 204,709.44 and 80,357.14

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Solution

The fourth proportional to 148,339.90, 204,709.44 and 80,357.14 is: 110,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,339.90 : 204,709.44 = 80,357.14 : x
  2. Step 2: Convert to fraction form
    148,339.90/204,709.44 = 80,357.14/x
  3. Step 3: Cross multiply
    148,339.90x = 204,709.44 × 80,357.14
  4. Step 4: Simplify right side
    148,339.90x = 16,449,865,129.40
  5. Step 5: Solve for x
    x = 16,449,865,129.40/148,339.90
  6. Step 6: Final answer
    x = 110,893.06

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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.