Home / 132,387.38-198,516.48-46,969.31

Finding the Fourth Proportional to 132,387.38, 198,516.48 and 46,969.31

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Solution

The fourth proportional to 132,387.38, 198,516.48 and 46,969.31 is: 70,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387.38 : 198,516.48 = 46,969.31 : x
  2. Step 2: Convert to fraction form
    132,387.38/198,516.48 = 46,969.31/x
  3. Step 3: Cross multiply
    132,387.38x = 198,516.48 × 46,969.31
  4. Step 4: Simplify right side
    132,387.38x = 9,324,182,089.23
  5. Step 5: Solve for x
    x = 9,324,182,089.23/132,387.38
  6. Step 6: Final answer
    x = 70,431.05

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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.