Home / 189,846.24-261,984.60-135,498.48

Finding the Fourth Proportional to 189,846.24, 261,984.60 and 135,498.48

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Solution

The fourth proportional to 189,846.24, 261,984.60 and 135,498.48 is: 186,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846.24 : 261,984.60 = 135,498.48 : x
  2. Step 2: Convert to fraction form
    189,846.24/261,984.60 = 135,498.48/x
  3. Step 3: Cross multiply
    189,846.24x = 261,984.60 × 135,498.48
  4. Step 4: Simplify right side
    189,846.24x = 35,498,515,083.41
  5. Step 5: Solve for x
    x = 35,498,515,083.41/189,846.24
  6. Step 6: Final answer
    x = 186,985.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.