Home / 165,837.22-248,780.40-53,480.50

Finding the Fourth Proportional to 165,837.22, 248,780.40 and 53,480.50

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Solution

The fourth proportional to 165,837.22, 248,780.40 and 53,480.50 is: 80,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,837.22 : 248,780.40 = 53,480.50 : x
  2. Step 2: Convert to fraction form
    165,837.22/248,780.40 = 53,480.50/x
  3. Step 3: Cross multiply
    165,837.22x = 248,780.40 × 53,480.50
  4. Step 4: Simplify right side
    165,837.22x = 13,304,900,182.20
  5. Step 5: Solve for x
    x = 13,304,900,182.20/165,837.22
  6. Step 6: Final answer
    x = 80,228.67

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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.