Home / 259,579.54-389,201.91-101,823.94

Finding the Fourth Proportional to 259,579.54, 389,201.91 and 101,823.94

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Solution

The fourth proportional to 259,579.54, 389,201.91 and 101,823.94 is: 152,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,579.54 : 389,201.91 = 101,823.94 : x
  2. Step 2: Convert to fraction form
    259,579.54/389,201.91 = 101,823.94/x
  3. Step 3: Cross multiply
    259,579.54x = 389,201.91 × 101,823.94
  4. Step 4: Simplify right side
    259,579.54x = 39,630,071,931.73
  5. Step 5: Solve for x
    x = 39,630,071,931.73/259,579.54
  6. Step 6: Final answer
    x = 152,670.24

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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.