Home / 163,780.86-225,999.27-92,185.50

Finding the Fourth Proportional to 163,780.86, 225,999.27 and 92,185.50

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Solution

The fourth proportional to 163,780.86, 225,999.27 and 92,185.50 is: 127,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,780.86 : 225,999.27 = 92,185.50 : x
  2. Step 2: Convert to fraction form
    163,780.86/225,999.27 = 92,185.50/x
  3. Step 3: Cross multiply
    163,780.86x = 225,999.27 × 92,185.50
  4. Step 4: Simplify right side
    163,780.86x = 20,833,855,704.59
  5. Step 5: Solve for x
    x = 20,833,855,704.59/163,780.86
  6. Step 6: Final answer
    x = 127,205.68

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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.