Home / 132,428.35-198,642.53-92,570.28

Finding the Fourth Proportional to 132,428.35, 198,642.53 and 92,570.28

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Solution

The fourth proportional to 132,428.35, 198,642.53 and 92,570.28 is: 138,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,428.35 : 198,642.53 = 92,570.28 : x
  2. Step 2: Convert to fraction form
    132,428.35/198,642.53 = 92,570.28/x
  3. Step 3: Cross multiply
    132,428.35x = 198,642.53 × 92,570.28
  4. Step 4: Simplify right side
    132,428.35x = 18,388,393,165.94
  5. Step 5: Solve for x
    x = 18,388,393,165.94/132,428.35
  6. Step 6: Final answer
    x = 138,855.41

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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.