Home / 161,944.34-223,313.60-139,359.92

Finding the Fourth Proportional to 161,944.34, 223,313.60 and 139,359.92

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Solution

The fourth proportional to 161,944.34, 223,313.60 and 139,359.92 is: 192,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.34 : 223,313.60 = 139,359.92 : x
  2. Step 2: Convert to fraction form
    161,944.34/223,313.60 = 139,359.92/x
  3. Step 3: Cross multiply
    161,944.34x = 223,313.60 × 139,359.92
  4. Step 4: Simplify right side
    161,944.34x = 31,120,965,430.91
  5. Step 5: Solve for x
    x = 31,120,965,430.91/161,944.34
  6. Step 6: Final answer
    x = 192,170.75

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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.