Home / 217,101.20-325,554.60-98,711.60

Finding the Fourth Proportional to 217,101.20, 325,554.60 and 98,711.60

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Solution

The fourth proportional to 217,101.20, 325,554.60 and 98,711.60 is: 148,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,101.20 : 325,554.60 = 98,711.60 : x
  2. Step 2: Convert to fraction form
    217,101.20/325,554.60 = 98,711.60/x
  3. Step 3: Cross multiply
    217,101.20x = 325,554.60 × 98,711.60
  4. Step 4: Simplify right side
    217,101.20x = 32,136,015,453.36
  5. Step 5: Solve for x
    x = 32,136,015,453.36/217,101.20
  6. Step 6: Final answer
    x = 148,023.21

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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.