Home / 132,636.64-198,933.36-53,747.68

Finding the Fourth Proportional to 132,636.64, 198,933.36 and 53,747.68

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Solution

The fourth proportional to 132,636.64, 198,933.36 and 53,747.68 is: 80,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,636.64 : 198,933.36 = 53,747.68 : x
  2. Step 2: Convert to fraction form
    132,636.64/198,933.36 = 53,747.68/x
  3. Step 3: Cross multiply
    132,636.64x = 198,933.36 × 53,747.68
  4. Step 4: Simplify right side
    132,636.64x = 10,692,206,574.60
  5. Step 5: Solve for x
    x = 10,692,206,574.60/132,636.64
  6. Step 6: Final answer
    x = 80,612.77

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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.