Home / 283,840.46-391,685.43-161,329.61

Finding the Fourth Proportional to 283,840.46, 391,685.43 and 161,329.61

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Solution

The fourth proportional to 283,840.46, 391,685.43 and 161,329.61 is: 222,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,840.46 : 391,685.43 = 161,329.61 : x
  2. Step 2: Convert to fraction form
    283,840.46/391,685.43 = 161,329.61/x
  3. Step 3: Cross multiply
    283,840.46x = 391,685.43 × 161,329.61
  4. Step 4: Simplify right side
    283,840.46x = 63,190,457,664.58
  5. Step 5: Solve for x
    x = 63,190,457,664.58/283,840.46
  6. Step 6: Final answer
    x = 222,626.67

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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.