Home / 165,783.12-248,676.38-132,713.40

Finding the Fourth Proportional to 165,783.12, 248,676.38 and 132,713.40

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Solution

The fourth proportional to 165,783.12, 248,676.38 and 132,713.40 is: 199,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,783.12 : 248,676.38 = 132,713.40 : x
  2. Step 2: Convert to fraction form
    165,783.12/248,676.38 = 132,713.40/x
  3. Step 3: Cross multiply
    165,783.12x = 248,676.38 × 132,713.40
  4. Step 4: Simplify right side
    165,783.12x = 33,002,687,889.49
  5. Step 5: Solve for x
    x = 33,002,687,889.49/165,783.12
  6. Step 6: Final answer
    x = 199,071.46

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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.