Home / 198,164.70-273,346.32-117,538.22

Finding the Fourth Proportional to 198,164.70, 273,346.32 and 117,538.22

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Solution

The fourth proportional to 198,164.70, 273,346.32 and 117,538.22 is: 162,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,164.70 : 273,346.32 = 117,538.22 : x
  2. Step 2: Convert to fraction form
    198,164.70/273,346.32 = 117,538.22/x
  3. Step 3: Cross multiply
    198,164.70x = 273,346.32 × 117,538.22
  4. Step 4: Simplify right side
    198,164.70x = 32,128,639,896.35
  5. Step 5: Solve for x
    x = 32,128,639,896.35/198,164.70
  6. Step 6: Final answer
    x = 162,130.99

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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.