Home / 193,211.20-289,816.80-52,969.60

Finding the Fourth Proportional to 193,211.20, 289,816.80 and 52,969.60

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Solution

The fourth proportional to 193,211.20, 289,816.80 and 52,969.60 is: 79,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,211.20 : 289,816.80 = 52,969.60 : x
  2. Step 2: Convert to fraction form
    193,211.20/289,816.80 = 52,969.60/x
  3. Step 3: Cross multiply
    193,211.20x = 289,816.80 × 52,969.60
  4. Step 4: Simplify right side
    193,211.20x = 15,351,479,969.28
  5. Step 5: Solve for x
    x = 15,351,479,969.28/193,211.20
  6. Step 6: Final answer
    x = 79,454.40

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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.