Home / 198,018.36-273,248.46-113,118.84

Finding the Fourth Proportional to 198,018.36, 273,248.46 and 113,118.84

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Solution

The fourth proportional to 198,018.36, 273,248.46 and 113,118.84 is: 156,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,018.36 : 273,248.46 = 113,118.84 : x
  2. Step 2: Convert to fraction form
    198,018.36/273,248.46 = 113,118.84/x
  3. Step 3: Cross multiply
    198,018.36x = 273,248.46 × 113,118.84
  4. Step 4: Simplify right side
    198,018.36x = 30,909,548,826.99
  5. Step 5: Solve for x
    x = 30,909,548,826.99/198,018.36
  6. Step 6: Final answer
    x = 156,094.36

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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.