Home / 143,141.37-197,588.19-122,917.02

Finding the Fourth Proportional to 143,141.37, 197,588.19 and 122,917.02

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Solution

The fourth proportional to 143,141.37, 197,588.19 and 122,917.02 is: 169,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,141.37 : 197,588.19 = 122,917.02 : x
  2. Step 2: Convert to fraction form
    143,141.37/197,588.19 = 122,917.02/x
  3. Step 3: Cross multiply
    143,141.37x = 197,588.19 × 122,917.02
  4. Step 4: Simplify right side
    143,141.37x = 24,286,951,501.99
  5. Step 5: Solve for x
    x = 24,286,951,501.99/143,141.37
  6. Step 6: Final answer
    x = 169,671.08

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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.