Home / 132,241.80-198,051.66-102,422.28

Finding the Fourth Proportional to 132,241.80, 198,051.66 and 102,422.28

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Solution

The fourth proportional to 132,241.80, 198,051.66 and 102,422.28 is: 153,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,241.80 : 198,051.66 = 102,422.28 : x
  2. Step 2: Convert to fraction form
    132,241.80/198,051.66 = 102,422.28/x
  3. Step 3: Cross multiply
    132,241.80x = 198,051.66 × 102,422.28
  4. Step 4: Simplify right side
    132,241.80x = 20,284,902,574.98
  5. Step 5: Solve for x
    x = 20,284,902,574.98/132,241.80
  6. Step 6: Final answer
    x = 153,392.52

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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.