Home / 109,948.60-164,922.90-83,704.60

Finding the Fourth Proportional to 109,948.60, 164,922.90 and 83,704.60

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Solution

The fourth proportional to 109,948.60, 164,922.90 and 83,704.60 is: 125,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.60 : 164,922.90 = 83,704.60 : x
  2. Step 2: Convert to fraction form
    109,948.60/164,922.90 = 83,704.60/x
  3. Step 3: Cross multiply
    109,948.60x = 164,922.90 × 83,704.60
  4. Step 4: Simplify right side
    109,948.60x = 13,804,805,375.34
  5. Step 5: Solve for x
    x = 13,804,805,375.34/109,948.60
  6. Step 6: Final answer
    x = 125,556.90

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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.