Home / 148,074.48-221,879.25-100,712.16

Finding the Fourth Proportional to 148,074.48, 221,879.25 and 100,712.16

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Solution

The fourth proportional to 148,074.48, 221,879.25 and 100,712.16 is: 150,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,074.48 : 221,879.25 = 100,712.16 : x
  2. Step 2: Convert to fraction form
    148,074.48/221,879.25 = 100,712.16/x
  3. Step 3: Cross multiply
    148,074.48x = 221,879.25 × 100,712.16
  4. Step 4: Simplify right side
    148,074.48x = 22,345,938,526.68
  5. Step 5: Solve for x
    x = 22,345,938,526.68/148,074.48
  6. Step 6: Final answer
    x = 150,910.13

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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.