Home / 143,096.54-197,463.33-79,429.32

Finding the Fourth Proportional to 143,096.54, 197,463.33 and 79,429.32

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Solution

The fourth proportional to 143,096.54, 197,463.33 and 79,429.32 is: 109,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,096.54 : 197,463.33 = 79,429.32 : x
  2. Step 2: Convert to fraction form
    143,096.54/197,463.33 = 79,429.32/x
  3. Step 3: Cross multiply
    143,096.54x = 197,463.33 × 79,429.32
  4. Step 4: Simplify right side
    143,096.54x = 15,684,378,026.84
  5. Step 5: Solve for x
    x = 15,684,378,026.84/143,096.54
  6. Step 6: Final answer
    x = 109,606.97

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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.