Home / 132,223.98-198,342.90-100,683.51

Finding the Fourth Proportional to 132,223.98, 198,342.90 and 100,683.51

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Solution

The fourth proportional to 132,223.98, 198,342.90 and 100,683.51 is: 151,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,223.98 : 198,342.90 = 100,683.51 : x
  2. Step 2: Convert to fraction form
    132,223.98/198,342.90 = 100,683.51/x
  3. Step 3: Cross multiply
    132,223.98x = 198,342.90 × 100,683.51
  4. Step 4: Simplify right side
    132,223.98x = 19,969,858,978.02
  5. Step 5: Solve for x
    x = 19,969,858,978.02/132,223.98
  6. Step 6: Final answer
    x = 151,030.54

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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.