Home / 132,541.48-198,936.78-69,406.92

Finding the Fourth Proportional to 132,541.48, 198,936.78 and 69,406.92

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Solution

The fourth proportional to 132,541.48, 198,936.78 and 69,406.92 is: 104,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,541.48 : 198,936.78 = 69,406.92 : x
  2. Step 2: Convert to fraction form
    132,541.48/198,936.78 = 69,406.92/x
  3. Step 3: Cross multiply
    132,541.48x = 198,936.78 × 69,406.92
  4. Step 4: Simplify right side
    132,541.48x = 13,807,589,174.52
  5. Step 5: Solve for x
    x = 13,807,589,174.52/132,541.48
  6. Step 6: Final answer
    x = 104,175.61

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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.