Home / 148,101.40-222,152.10-131,771.80

Finding the Fourth Proportional to 148,101.40, 222,152.10 and 131,771.80

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Solution

The fourth proportional to 148,101.40, 222,152.10 and 131,771.80 is: 197,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,101.40 : 222,152.10 = 131,771.80 : x
  2. Step 2: Convert to fraction form
    148,101.40/222,152.10 = 131,771.80/x
  3. Step 3: Cross multiply
    148,101.40x = 222,152.10 × 131,771.80
  4. Step 4: Simplify right side
    148,101.40x = 29,273,382,090.78
  5. Step 5: Solve for x
    x = 29,273,382,090.78/148,101.40
  6. Step 6: Final answer
    x = 197,657.70

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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.