Home / 216,944.60-325,416.90-111,968.60

Finding the Fourth Proportional to 216,944.60, 325,416.90 and 111,968.60

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Solution

The fourth proportional to 216,944.60, 325,416.90 and 111,968.60 is: 167,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,944.60 : 325,416.90 = 111,968.60 : x
  2. Step 2: Convert to fraction form
    216,944.60/325,416.90 = 111,968.60/x
  3. Step 3: Cross multiply
    216,944.60x = 325,416.90 × 111,968.60
  4. Step 4: Simplify right side
    216,944.60x = 36,436,474,709.34
  5. Step 5: Solve for x
    x = 36,436,474,709.34/216,944.60
  6. Step 6: Final answer
    x = 167,952.90

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1.5x scale

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.