Home / 165,926.40-248,889.60-55,118.40

Finding the Fourth Proportional to 165,926.40, 248,889.60 and 55,118.40

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Solution

The fourth proportional to 165,926.40, 248,889.60 and 55,118.40 is: 82,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,926.40 : 248,889.60 = 55,118.40 : x
  2. Step 2: Convert to fraction form
    165,926.40/248,889.60 = 55,118.40/x
  3. Step 3: Cross multiply
    165,926.40x = 248,889.60 × 55,118.40
  4. Step 4: Simplify right side
    165,926.40x = 13,718,396,528.64
  5. Step 5: Solve for x
    x = 13,718,396,528.64/165,926.40
  6. Step 6: Final answer
    x = 82,677.60

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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.