Home / 224,172.75-309,352.20-122,200.19

Finding the Fourth Proportional to 224,172.75, 309,352.20 and 122,200.19

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Solution

The fourth proportional to 224,172.75, 309,352.20 and 122,200.19 is: 168,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,172.75 : 309,352.20 = 122,200.19 : x
  2. Step 2: Convert to fraction form
    224,172.75/309,352.20 = 122,200.19/x
  3. Step 3: Cross multiply
    224,172.75x = 309,352.20 × 122,200.19
  4. Step 4: Simplify right side
    224,172.75x = 37,802,898,512.08
  5. Step 5: Solve for x
    x = 37,802,898,512.08/224,172.75
  6. Step 6: Final answer
    x = 168,632.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.