Home / 132,419.51-198,566.87-48,120.38

Finding the Fourth Proportional to 132,419.51, 198,566.87 and 48,120.38

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Solution

The fourth proportional to 132,419.51, 198,566.87 and 48,120.38 is: 72,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.51 : 198,566.87 = 48,120.38 : x
  2. Step 2: Convert to fraction form
    132,419.51/198,566.87 = 48,120.38/x
  3. Step 3: Cross multiply
    132,419.51x = 198,566.87 × 48,120.38
  4. Step 4: Simplify right side
    132,419.51x = 9,555,112,006.37
  5. Step 5: Solve for x
    x = 9,555,112,006.37/132,419.51
  6. Step 6: Final answer
    x = 72,157.89

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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.