Home / 132,352.11-198,416.49-57,415.81

Finding the Fourth Proportional to 132,352.11, 198,416.49 and 57,415.81

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Solution

The fourth proportional to 132,352.11, 198,416.49 and 57,415.81 is: 86,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.11 : 198,416.49 = 57,415.81 : x
  2. Step 2: Convert to fraction form
    132,352.11/198,416.49 = 57,415.81/x
  3. Step 3: Cross multiply
    132,352.11x = 198,416.49 × 57,415.81
  4. Step 4: Simplify right side
    132,352.11x = 11,392,243,709.43
  5. Step 5: Solve for x
    x = 11,392,243,709.43/132,352.11
  6. Step 6: Final answer
    x = 86,075.27

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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.