Home / 197,760.16-272,861.77-117,173.76

Finding the Fourth Proportional to 197,760.16, 272,861.77 and 117,173.76

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Solution

The fourth proportional to 197,760.16, 272,861.77 and 117,173.76 is: 161,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,760.16 : 272,861.77 = 117,173.76 : x
  2. Step 2: Convert to fraction form
    197,760.16/272,861.77 = 117,173.76/x
  3. Step 3: Cross multiply
    197,760.16x = 272,861.77 × 117,173.76
  4. Step 4: Simplify right side
    197,760.16x = 31,972,239,551.16
  5. Step 5: Solve for x
    x = 31,972,239,551.16/197,760.16
  6. Step 6: Final answer
    x = 161,671.79

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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.