Home / 188,336.06-259,905.65-102,296.72

Finding the Fourth Proportional to 188,336.06, 259,905.65 and 102,296.72

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Solution

The fourth proportional to 188,336.06, 259,905.65 and 102,296.72 is: 141,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,336.06 : 259,905.65 = 102,296.72 : x
  2. Step 2: Convert to fraction form
    188,336.06/259,905.65 = 102,296.72/x
  3. Step 3: Cross multiply
    188,336.06x = 259,905.65 × 102,296.72
  4. Step 4: Simplify right side
    188,336.06x = 26,587,495,504.47
  5. Step 5: Solve for x
    x = 26,587,495,504.47/188,336.06
  6. Step 6: Final answer
    x = 141,170.50

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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.