Home / 132,388.83-198,471.62-57,452.54

Finding the Fourth Proportional to 132,388.83, 198,471.62 and 57,452.54

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Solution

The fourth proportional to 132,388.83, 198,471.62 and 57,452.54 is: 86,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,388.83 : 198,471.62 = 57,452.54 : x
  2. Step 2: Convert to fraction form
    132,388.83/198,471.62 = 57,452.54/x
  3. Step 3: Cross multiply
    132,388.83x = 198,471.62 × 57,452.54
  4. Step 4: Simplify right side
    132,388.83x = 11,402,697,838.19
  5. Step 5: Solve for x
    x = 11,402,697,838.19/132,388.83
  6. Step 6: Final answer
    x = 86,130.36

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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.