Home / 132,327.98-198,491.65-57,438.41

Finding the Fourth Proportional to 132,327.98, 198,491.65 and 57,438.41

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Solution

The fourth proportional to 132,327.98, 198,491.65 and 57,438.41 is: 86,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,327.98 : 198,491.65 = 57,438.41 : x
  2. Step 2: Convert to fraction form
    132,327.98/198,491.65 = 57,438.41/x
  3. Step 3: Cross multiply
    132,327.98x = 198,491.65 × 57,438.41
  4. Step 4: Simplify right side
    132,327.98x = 11,401,044,774.28
  5. Step 5: Solve for x
    x = 11,401,044,774.28/132,327.98
  6. Step 6: Final answer
    x = 86,157.48

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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.