Home / 147,521.76-203,577.84-82,986.12

Finding the Fourth Proportional to 147,521.76, 203,577.84 and 82,986.12

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Solution

The fourth proportional to 147,521.76, 203,577.84 and 82,986.12 is: 114,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521.76 : 203,577.84 = 82,986.12 : x
  2. Step 2: Convert to fraction form
    147,521.76/203,577.84 = 82,986.12/x
  3. Step 3: Cross multiply
    147,521.76x = 203,577.84 × 82,986.12
  4. Step 4: Simplify right side
    147,521.76x = 16,894,135,059.58
  5. Step 5: Solve for x
    x = 16,894,135,059.58/147,521.76
  6. Step 6: Final answer
    x = 114,519.61

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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.