Home / 189,660.70-284,533.43-71,333.07

Finding the Fourth Proportional to 189,660.70, 284,533.43 and 71,333.07

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Solution

The fourth proportional to 189,660.70, 284,533.43 and 71,333.07 is: 107,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,660.70 : 284,533.43 = 71,333.07 : x
  2. Step 2: Convert to fraction form
    189,660.70/284,533.43 = 71,333.07/x
  3. Step 3: Cross multiply
    189,660.70x = 284,533.43 × 71,333.07
  4. Step 4: Simplify right side
    189,660.70x = 20,296,641,655.86
  5. Step 5: Solve for x
    x = 20,296,641,655.86/189,660.70
  6. Step 6: Final answer
    x = 107,015.54

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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.