Home / 148,109.08-222,121.16-48,278.02

Finding the Fourth Proportional to 148,109.08, 222,121.16 and 48,278.02

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Solution

The fourth proportional to 148,109.08, 222,121.16 and 48,278.02 is: 72,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,109.08 : 222,121.16 = 48,278.02 : x
  2. Step 2: Convert to fraction form
    148,109.08/222,121.16 = 48,278.02/x
  3. Step 3: Cross multiply
    148,109.08x = 222,121.16 × 48,278.02
  4. Step 4: Simplify right side
    148,109.08x = 10,723,569,804.90
  5. Step 5: Solve for x
    x = 10,723,569,804.90/148,109.08
  6. Step 6: Final answer
    x = 72,403.19

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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.