Home / 126,285.56-189,370.02-47,343.32

Finding the Fourth Proportional to 126,285.56, 189,370.02 and 47,343.32

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Solution

The fourth proportional to 126,285.56, 189,370.02 and 47,343.32 is: 70,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,285.56 : 189,370.02 = 47,343.32 : x
  2. Step 2: Convert to fraction form
    126,285.56/189,370.02 = 47,343.32/x
  3. Step 3: Cross multiply
    126,285.56x = 189,370.02 × 47,343.32
  4. Step 4: Simplify right side
    126,285.56x = 8,965,405,455.27
  5. Step 5: Solve for x
    x = 8,965,405,455.27/126,285.56
  6. Step 6: Final answer
    x = 70,993.12

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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.