Home / 132,405.96-198,546.51-48,106.68

Finding the Fourth Proportional to 132,405.96, 198,546.51 and 48,106.68

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Solution

The fourth proportional to 132,405.96, 198,546.51 and 48,106.68 is: 72,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,405.96 : 198,546.51 = 48,106.68 : x
  2. Step 2: Convert to fraction form
    132,405.96/198,546.51 = 48,106.68/x
  3. Step 3: Cross multiply
    132,405.96x = 198,546.51 × 48,106.68
  4. Step 4: Simplify right side
    132,405.96x = 9,551,413,421.69
  5. Step 5: Solve for x
    x = 9,551,413,421.69/132,405.96
  6. Step 6: Final answer
    x = 72,137.34

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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.