Home / 200,386.72-276,539.92-110,971.04

Finding the Fourth Proportional to 200,386.72, 276,539.92 and 110,971.04

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Solution

The fourth proportional to 200,386.72, 276,539.92 and 110,971.04 is: 153,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,386.72 : 276,539.92 = 110,971.04 : x
  2. Step 2: Convert to fraction form
    200,386.72/276,539.92 = 110,971.04/x
  3. Step 3: Cross multiply
    200,386.72x = 276,539.92 × 110,971.04
  4. Step 4: Simplify right side
    200,386.72x = 30,687,922,523.92
  5. Step 5: Solve for x
    x = 30,687,922,523.92/200,386.72
  6. Step 6: Final answer
    x = 153,143.49

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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.