Home / 132,818.64-198,735.84-106,443.36

Finding the Fourth Proportional to 132,818.64, 198,735.84 and 106,443.36

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Solution

The fourth proportional to 132,818.64, 198,735.84 and 106,443.36 is: 159,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,818.64 : 198,735.84 = 106,443.36 : x
  2. Step 2: Convert to fraction form
    132,818.64/198,735.84 = 106,443.36/x
  3. Step 3: Cross multiply
    132,818.64x = 198,735.84 × 106,443.36
  4. Step 4: Simplify right side
    132,818.64x = 21,154,110,562.02
  5. Step 5: Solve for x
    x = 21,154,110,562.02/132,818.64
  6. Step 6: Final answer
    x = 159,270.65

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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.