Home / 178,128.84-267,186.78-53,466.60

Finding the Fourth Proportional to 178,128.84, 267,186.78 and 53,466.60

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Solution

The fourth proportional to 178,128.84, 267,186.78 and 53,466.60 is: 80,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,128.84 : 267,186.78 = 53,466.60 : x
  2. Step 2: Convert to fraction form
    178,128.84/267,186.78 = 53,466.60/x
  3. Step 3: Cross multiply
    178,128.84x = 267,186.78 × 53,466.60
  4. Step 4: Simplify right side
    178,128.84x = 14,285,568,691.55
  5. Step 5: Solve for x
    x = 14,285,568,691.55/178,128.84
  6. Step 6: Final answer
    x = 80,197.95

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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.