Home / 165,339.90-248,012.73-47,014.38

Finding the Fourth Proportional to 165,339.90, 248,012.73 and 47,014.38

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Solution

The fourth proportional to 165,339.90, 248,012.73 and 47,014.38 is: 70,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,339.90 : 248,012.73 = 47,014.38 : x
  2. Step 2: Convert to fraction form
    165,339.90/248,012.73 = 47,014.38/x
  3. Step 3: Cross multiply
    165,339.90x = 248,012.73 × 47,014.38
  4. Step 4: Simplify right side
    165,339.90x = 11,660,164,733.06
  5. Step 5: Solve for x
    x = 11,660,164,733.06/165,339.90
  6. Step 6: Final answer
    x = 70,522.39

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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.