Home / 132,194.90-198,250.29-43,427.81

Finding the Fourth Proportional to 132,194.90, 198,250.29 and 43,427.81

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Solution

The fourth proportional to 132,194.90, 198,250.29 and 43,427.81 is: 65,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,194.90 : 198,250.29 = 43,427.81 : x
  2. Step 2: Convert to fraction form
    132,194.90/198,250.29 = 43,427.81/x
  3. Step 3: Cross multiply
    132,194.90x = 198,250.29 × 43,427.81
  4. Step 4: Simplify right side
    132,194.90x = 8,609,574,935.31
  5. Step 5: Solve for x
    x = 8,609,574,935.31/132,194.90
  6. Step 6: Final answer
    x = 65,127.89

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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.