Home / 132,564.05-198,877.21-43,817.55

Finding the Fourth Proportional to 132,564.05, 198,877.21 and 43,817.55

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Solution

The fourth proportional to 132,564.05, 198,877.21 and 43,817.55 is: 65,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.05 : 198,877.21 = 43,817.55 : x
  2. Step 2: Convert to fraction form
    132,564.05/198,877.21 = 43,817.55/x
  3. Step 3: Cross multiply
    132,564.05x = 198,877.21 × 43,817.55
  4. Step 4: Simplify right side
    132,564.05x = 8,714,312,699.77
  5. Step 5: Solve for x
    x = 8,714,312,699.77/132,564.05
  6. Step 6: Final answer
    x = 65,736.62

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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.