Home / 106,795.90-160,181.70-27,918.10

Finding the Fourth Proportional to 106,795.90, 160,181.70 and 27,918.10

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Solution

The fourth proportional to 106,795.90, 160,181.70 and 27,918.10 is: 41,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,795.90 : 160,181.70 = 27,918.10 : x
  2. Step 2: Convert to fraction form
    106,795.90/160,181.70 = 27,918.10/x
  3. Step 3: Cross multiply
    106,795.90x = 160,181.70 × 27,918.10
  4. Step 4: Simplify right side
    106,795.90x = 4,471,968,718.77
  5. Step 5: Solve for x
    x = 4,471,968,718.77/106,795.90
  6. Step 6: Final answer
    x = 41,873.97

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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.