Home / 119,406.12-178,961.56-60,258.71

Finding the Fourth Proportional to 119,406.12, 178,961.56 and 60,258.71

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Solution

The fourth proportional to 119,406.12, 178,961.56 and 60,258.71 is: 90,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,406.12 : 178,961.56 = 60,258.71 : x
  2. Step 2: Convert to fraction form
    119,406.12/178,961.56 = 60,258.71/x
  3. Step 3: Cross multiply
    119,406.12x = 178,961.56 × 60,258.71
  4. Step 4: Simplify right side
    119,406.12x = 10,783,991,699.73
  5. Step 5: Solve for x
    x = 10,783,991,699.73/119,406.12
  6. Step 6: Final answer
    x = 90,313.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.