Home / 193,811.20-290,060.70-170,191.60

Finding the Fourth Proportional to 193,811.20, 290,060.70 and 170,191.60

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Solution

The fourth proportional to 193,811.20, 290,060.70 and 170,191.60 is: 254,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,811.20 : 290,060.70 = 170,191.60 : x
  2. Step 2: Convert to fraction form
    193,811.20/290,060.70 = 170,191.60/x
  3. Step 3: Cross multiply
    193,811.20x = 290,060.70 × 170,191.60
  4. Step 4: Simplify right side
    193,811.20x = 49,365,894,630.12
  5. Step 5: Solve for x
    x = 49,365,894,630.12/193,811.20
  6. Step 6: Final answer
    x = 254,711.26

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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.