Home / 173,403.10-259,660.77-120,021.27

Finding the Fourth Proportional to 173,403.10, 259,660.77 and 120,021.27

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Solution

The fourth proportional to 173,403.10, 259,660.77 and 120,021.27 is: 179,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,403.10 : 259,660.77 = 120,021.27 : x
  2. Step 2: Convert to fraction form
    173,403.10/259,660.77 = 120,021.27/x
  3. Step 3: Cross multiply
    173,403.10x = 259,660.77 × 120,021.27
  4. Step 4: Simplify right side
    173,403.10x = 31,164,815,384.58
  5. Step 5: Solve for x
    x = 31,164,815,384.58/173,403.10
  6. Step 6: Final answer
    x = 179,724.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.