Home / 132,436.32-198,650.08-57,556.54

Finding the Fourth Proportional to 132,436.32, 198,650.08 and 57,556.54

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Solution

The fourth proportional to 132,436.32, 198,650.08 and 57,556.54 is: 86,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,436.32 : 198,650.08 = 57,556.54 : x
  2. Step 2: Convert to fraction form
    132,436.32/198,650.08 = 57,556.54/x
  3. Step 3: Cross multiply
    132,436.32x = 198,650.08 × 57,556.54
  4. Step 4: Simplify right side
    132,436.32x = 11,433,611,275.52
  5. Step 5: Solve for x
    x = 11,433,611,275.52/132,436.32
  6. Step 6: Final answer
    x = 86,332.90

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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.