Home / 148,168.72-222,230.54-48,328.78

Finding the Fourth Proportional to 148,168.72, 222,230.54 and 48,328.78

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Solution

The fourth proportional to 148,168.72, 222,230.54 and 48,328.78 is: 72,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,168.72 : 222,230.54 = 48,328.78 : x
  2. Step 2: Convert to fraction form
    148,168.72/222,230.54 = 48,328.78/x
  3. Step 3: Cross multiply
    148,168.72x = 222,230.54 × 48,328.78
  4. Step 4: Simplify right side
    148,168.72x = 10,740,130,876.94
  5. Step 5: Solve for x
    x = 10,740,130,876.94/148,168.72
  6. Step 6: Final answer
    x = 72,485.82

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1.5x scale

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.