Home / 164,761.51-247,143.57-107,883.36

Finding the Fourth Proportional to 164,761.51, 247,143.57 and 107,883.36

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Solution

The fourth proportional to 164,761.51, 247,143.57 and 107,883.36 is: 161,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,761.51 : 247,143.57 = 107,883.36 : x
  2. Step 2: Convert to fraction form
    164,761.51/247,143.57 = 107,883.36/x
  3. Step 3: Cross multiply
    164,761.51x = 247,143.57 × 107,883.36
  4. Step 4: Simplify right side
    164,761.51x = 26,662,677,498.28
  5. Step 5: Solve for x
    x = 26,662,677,498.28/164,761.51
  6. Step 6: Final answer
    x = 161,825.89

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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.