Home / 193,128.60-289,682.10-60,007.80

Finding the Fourth Proportional to 193,128.60, 289,682.10 and 60,007.80

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Solution

The fourth proportional to 193,128.60, 289,682.10 and 60,007.80 is: 90,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,128.60 : 289,682.10 = 60,007.80 : x
  2. Step 2: Convert to fraction form
    193,128.60/289,682.10 = 60,007.80/x
  3. Step 3: Cross multiply
    193,128.60x = 289,682.10 × 60,007.80
  4. Step 4: Simplify right side
    193,128.60x = 17,383,185,520.38
  5. Step 5: Solve for x
    x = 17,383,185,520.38/193,128.60
  6. Step 6: Final answer
    x = 90,008.34

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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.