Home / 148,315.83-204,676.05-82,012.77

Finding the Fourth Proportional to 148,315.83, 204,676.05 and 82,012.77

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Solution

The fourth proportional to 148,315.83, 204,676.05 and 82,012.77 is: 113,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,315.83 : 204,676.05 = 82,012.77 : x
  2. Step 2: Convert to fraction form
    148,315.83/204,676.05 = 82,012.77/x
  3. Step 3: Cross multiply
    148,315.83x = 204,676.05 × 82,012.77
  4. Step 4: Simplify right side
    148,315.83x = 16,786,049,813.16
  5. Step 5: Solve for x
    x = 16,786,049,813.16/148,315.83
  6. Step 6: Final answer
    x = 113,177.74

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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.