Home / 132,338.79-198,396.59-57,402.52

Finding the Fourth Proportional to 132,338.79, 198,396.59 and 57,402.52

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Solution

The fourth proportional to 132,338.79, 198,396.59 and 57,402.52 is: 86,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,338.79 : 198,396.59 = 57,402.52 : x
  2. Step 2: Convert to fraction form
    132,338.79/198,396.59 = 57,402.52/x
  3. Step 3: Cross multiply
    132,338.79x = 198,396.59 × 57,402.52
  4. Step 4: Simplify right side
    132,338.79x = 11,388,464,881.27
  5. Step 5: Solve for x
    x = 11,388,464,881.27/132,338.79
  6. Step 6: Final answer
    x = 86,055.38

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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.