Home / 193,217.78-266,627.12-107,168.60

Finding the Fourth Proportional to 193,217.78, 266,627.12 and 107,168.60

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Solution

The fourth proportional to 193,217.78, 266,627.12 and 107,168.60 is: 147,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,217.78 : 266,627.12 = 107,168.60 : x
  2. Step 2: Convert to fraction form
    193,217.78/266,627.12 = 107,168.60/x
  3. Step 3: Cross multiply
    193,217.78x = 266,627.12 × 107,168.60
  4. Step 4: Simplify right side
    193,217.78x = 28,574,055,172.43
  5. Step 5: Solve for x
    x = 28,574,055,172.43/193,217.78
  6. Step 6: Final answer
    x = 147,885.23

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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.