Home / 165,071.82-247,749.13-163,829.28

Finding the Fourth Proportional to 165,071.82, 247,749.13 and 163,829.28

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Solution

The fourth proportional to 165,071.82, 247,749.13 and 163,829.28 is: 245,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,071.82 : 247,749.13 = 163,829.28 : x
  2. Step 2: Convert to fraction form
    165,071.82/247,749.13 = 163,829.28/x
  3. Step 3: Cross multiply
    165,071.82x = 247,749.13 × 163,829.28
  4. Step 4: Simplify right side
    165,071.82x = 40,588,562,722.37
  5. Step 5: Solve for x
    x = 40,588,562,722.37/165,071.82
  6. Step 6: Final answer
    x = 245,884.26

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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.