Home / 148,107.58-204,387.48-80,124.28

Finding the Fourth Proportional to 148,107.58, 204,387.48 and 80,124.28

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Solution

The fourth proportional to 148,107.58, 204,387.48 and 80,124.28 is: 110,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,107.58 : 204,387.48 = 80,124.28 : x
  2. Step 2: Convert to fraction form
    148,107.58/204,387.48 = 80,124.28/x
  3. Step 3: Cross multiply
    148,107.58x = 204,387.48 × 80,124.28
  4. Step 4: Simplify right side
    148,107.58x = 16,376,399,676.01
  5. Step 5: Solve for x
    x = 16,376,399,676.01/148,107.58
  6. Step 6: Final answer
    x = 110,570.98

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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.