Home / 119,313.24-178,858.56-40,372.56

Finding the Fourth Proportional to 119,313.24, 178,858.56 and 40,372.56

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Solution

The fourth proportional to 119,313.24, 178,858.56 and 40,372.56 is: 60,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,313.24 : 178,858.56 = 40,372.56 : x
  2. Step 2: Convert to fraction form
    119,313.24/178,858.56 = 40,372.56/x
  3. Step 3: Cross multiply
    119,313.24x = 178,858.56 × 40,372.56
  4. Step 4: Simplify right side
    119,313.24x = 7,220,977,945.11
  5. Step 5: Solve for x
    x = 7,220,977,945.11/119,313.24
  6. Step 6: Final answer
    x = 60,521.18

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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.