Home / 193,236.10-289,724.55-88,000.90

Finding the Fourth Proportional to 193,236.10, 289,724.55 and 88,000.90

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Solution

The fourth proportional to 193,236.10, 289,724.55 and 88,000.90 is: 131,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,236.10 : 289,724.55 = 88,000.90 : x
  2. Step 2: Convert to fraction form
    193,236.10/289,724.55 = 88,000.90/x
  3. Step 3: Cross multiply
    193,236.10x = 289,724.55 × 88,000.90
  4. Step 4: Simplify right side
    193,236.10x = 25,496,021,152.10
  5. Step 5: Solve for x
    x = 25,496,021,152.10/193,236.10
  6. Step 6: Final answer
    x = 131,942.33

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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.