Home / 221,939.44-306,682.14-158,166.52

Finding the Fourth Proportional to 221,939.44, 306,682.14 and 158,166.52

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Solution

The fourth proportional to 221,939.44, 306,682.14 and 158,166.52 is: 218,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,939.44 : 306,682.14 = 158,166.52 : x
  2. Step 2: Convert to fraction form
    221,939.44/306,682.14 = 158,166.52/x
  3. Step 3: Cross multiply
    221,939.44x = 306,682.14 × 158,166.52
  4. Step 4: Simplify right side
    221,939.44x = 48,506,846,829.95
  5. Step 5: Solve for x
    x = 48,506,846,829.95/221,939.44
  6. Step 6: Final answer
    x = 218,558.93

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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.