Home / 105,448.92-158,231.70-43,163.16

Finding the Fourth Proportional to 105,448.92, 158,231.70 and 43,163.16

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Solution

The fourth proportional to 105,448.92, 158,231.70 and 43,163.16 is: 64,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,448.92 : 158,231.70 = 43,163.16 : x
  2. Step 2: Convert to fraction form
    105,448.92/158,231.70 = 43,163.16/x
  3. Step 3: Cross multiply
    105,448.92x = 158,231.70 × 43,163.16
  4. Step 4: Simplify right side
    105,448.92x = 6,829,780,184.17
  5. Step 5: Solve for x
    x = 6,829,780,184.17/105,448.92
  6. Step 6: Final answer
    x = 64,768.61

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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.