Home / 148,822.08-205,378.29-80,842.94

Finding the Fourth Proportional to 148,822.08, 205,378.29 and 80,842.94

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Solution

The fourth proportional to 148,822.08, 205,378.29 and 80,842.94 is: 111,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,822.08 : 205,378.29 = 80,842.94 : x
  2. Step 2: Convert to fraction form
    148,822.08/205,378.29 = 80,842.94/x
  3. Step 3: Cross multiply
    148,822.08x = 205,378.29 × 80,842.94
  4. Step 4: Simplify right side
    148,822.08x = 16,603,384,775.77
  5. Step 5: Solve for x
    x = 16,603,384,775.77/148,822.08
  6. Step 6: Final answer
    x = 111,565.33

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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.