Home / 197,765.43-272,869-117,179.02

Finding the Fourth Proportional to 197,765.43, 272,869 and 117,179.02

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Solution

The fourth proportional to 197,765.43, 272,869 and 117,179.02 is: 161,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,765.43 : 272,869 = 117,179.02 : x
  2. Step 2: Convert to fraction form
    197,765.43/272,869 = 117,179.02/x
  3. Step 3: Cross multiply
    197,765.43x = 272,869 × 117,179.02
  4. Step 4: Simplify right side
    197,765.43x = 31,974,522,008.38
  5. Step 5: Solve for x
    x = 31,974,522,008.38/197,765.43
  6. Step 6: Final answer
    x = 161,679.03

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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.