Home / 198,683.51-274,186.50-108,041.27

Finding the Fourth Proportional to 198,683.51, 274,186.50 and 108,041.27

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Solution

The fourth proportional to 198,683.51, 274,186.50 and 108,041.27 is: 149,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,683.51 : 274,186.50 = 108,041.27 : x
  2. Step 2: Convert to fraction form
    198,683.51/274,186.50 = 108,041.27/x
  3. Step 3: Cross multiply
    198,683.51x = 274,186.50 × 108,041.27
  4. Step 4: Simplify right side
    198,683.51x = 29,623,457,676.86
  5. Step 5: Solve for x
    x = 29,623,457,676.86/198,683.51
  6. Step 6: Final answer
    x = 149,098.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.