Home / 185,450.88-255,920.40-100,566.48

Finding the Fourth Proportional to 185,450.88, 255,920.40 and 100,566.48

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Solution

The fourth proportional to 185,450.88, 255,920.40 and 100,566.48 is: 138,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,450.88 : 255,920.40 = 100,566.48 : x
  2. Step 2: Convert to fraction form
    185,450.88/255,920.40 = 100,566.48/x
  3. Step 3: Cross multiply
    185,450.88x = 255,920.40 × 100,566.48
  4. Step 4: Simplify right side
    185,450.88x = 25,737,013,788.19
  5. Step 5: Solve for x
    x = 25,737,013,788.19/185,450.88
  6. Step 6: Final answer
    x = 138,780.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.