Home / 216,173.50-324,034.23-73,971.04

Finding the Fourth Proportional to 216,173.50, 324,034.23 and 73,971.04

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Solution

The fourth proportional to 216,173.50, 324,034.23 and 73,971.04 is: 110,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,173.50 : 324,034.23 = 73,971.04 : x
  2. Step 2: Convert to fraction form
    216,173.50/324,034.23 = 73,971.04/x
  3. Step 3: Cross multiply
    216,173.50x = 324,034.23 × 73,971.04
  4. Step 4: Simplify right side
    216,173.50x = 23,969,148,988.70
  5. Step 5: Solve for x
    x = 23,969,148,988.70/216,173.50
  6. Step 6: Final answer
    x = 110,879.22

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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.