Home / 198,211.55-273,533.94-107,568.30

Finding the Fourth Proportional to 198,211.55, 273,533.94 and 107,568.30

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Solution

The fourth proportional to 198,211.55, 273,533.94 and 107,568.30 is: 148,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.55 : 273,533.94 = 107,568.30 : x
  2. Step 2: Convert to fraction form
    198,211.55/273,533.94 = 107,568.30/x
  3. Step 3: Cross multiply
    198,211.55x = 273,533.94 × 107,568.30
  4. Step 4: Simplify right side
    198,211.55x = 29,423,579,892.35
  5. Step 5: Solve for x
    x = 29,423,579,892.35/198,211.55
  6. Step 6: Final answer
    x = 148,445.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.