Home / 193,123.20-289,028.70-169,503.60

Finding the Fourth Proportional to 193,123.20, 289,028.70 and 169,503.60

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Solution

The fourth proportional to 193,123.20, 289,028.70 and 169,503.60 is: 253,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,123.20 : 289,028.70 = 169,503.60 : x
  2. Step 2: Convert to fraction form
    193,123.20/289,028.70 = 169,503.60/x
  3. Step 3: Cross multiply
    193,123.20x = 289,028.70 × 169,503.60
  4. Step 4: Simplify right side
    193,123.20x = 48,991,405,153.32
  5. Step 5: Solve for x
    x = 48,991,405,153.32/193,123.20
  6. Step 6: Final answer
    x = 253,679.54

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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.