Home / 239,313.40-330,234.48-131,883.94

Finding the Fourth Proportional to 239,313.40, 330,234.48 and 131,883.94

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Solution

The fourth proportional to 239,313.40, 330,234.48 and 131,883.94 is: 181,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,313.40 : 330,234.48 = 131,883.94 : x
  2. Step 2: Convert to fraction form
    239,313.40/330,234.48 = 131,883.94/x
  3. Step 3: Cross multiply
    239,313.40x = 330,234.48 × 131,883.94
  4. Step 4: Simplify right side
    239,313.40x = 43,552,624,346.25
  5. Step 5: Solve for x
    x = 43,552,624,346.25/239,313.40
  6. Step 6: Final answer
    x = 181,989.91

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1.5x scale

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.