Home / 199,975.38-276,035.52-115,126.26

Finding the Fourth Proportional to 199,975.38, 276,035.52 and 115,126.26

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Solution

The fourth proportional to 199,975.38, 276,035.52 and 115,126.26 is: 158,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,975.38 : 276,035.52 = 115,126.26 : x
  2. Step 2: Convert to fraction form
    199,975.38/276,035.52 = 115,126.26/x
  3. Step 3: Cross multiply
    199,975.38x = 276,035.52 × 115,126.26
  4. Step 4: Simplify right side
    199,975.38x = 31,778,937,044.76
  5. Step 5: Solve for x
    x = 31,778,937,044.76/199,975.38
  6. Step 6: Final answer
    x = 158,914.25

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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.