Home / 146,361.06-219,547.80-71,391.96

Finding the Fourth Proportional to 146,361.06, 219,547.80 and 71,391.96

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Solution

The fourth proportional to 146,361.06, 219,547.80 and 71,391.96 is: 107,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,361.06 : 219,547.80 = 71,391.96 : x
  2. Step 2: Convert to fraction form
    146,361.06/219,547.80 = 71,391.96/x
  3. Step 3: Cross multiply
    146,361.06x = 219,547.80 × 71,391.96
  4. Step 4: Simplify right side
    146,361.06x = 15,673,947,755.69
  5. Step 5: Solve for x
    x = 15,673,947,755.69/146,361.06
  6. Step 6: Final answer
    x = 107,090.97

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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.