Home / 165,713.06-248,106.36-89,538.68

Finding the Fourth Proportional to 165,713.06, 248,106.36 and 89,538.68

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Solution

The fourth proportional to 165,713.06, 248,106.36 and 89,538.68 is: 134,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,713.06 : 248,106.36 = 89,538.68 : x
  2. Step 2: Convert to fraction form
    165,713.06/248,106.36 = 89,538.68/x
  3. Step 3: Cross multiply
    165,713.06x = 248,106.36 × 89,538.68
  4. Step 4: Simplify right side
    165,713.06x = 22,215,115,974.00
  5. Step 5: Solve for x
    x = 22,215,115,974.00/165,713.06
  6. Step 6: Final answer
    x = 134,057.73

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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.