Home / 188,223.66-259,749.32-102,182.76

Finding the Fourth Proportional to 188,223.66, 259,749.32 and 102,182.76

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Solution

The fourth proportional to 188,223.66, 259,749.32 and 102,182.76 is: 141,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,223.66 : 259,749.32 = 102,182.76 : x
  2. Step 2: Convert to fraction form
    188,223.66/259,749.32 = 102,182.76/x
  3. Step 3: Cross multiply
    188,223.66x = 259,749.32 × 102,182.76
  4. Step 4: Simplify right side
    188,223.66x = 26,541,901,914.81
  5. Step 5: Solve for x
    x = 26,541,901,914.81/188,223.66
  6. Step 6: Final answer
    x = 141,012.57

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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.