Home / 163,849.20-245,787.06-45,520.56

Finding the Fourth Proportional to 163,849.20, 245,787.06 and 45,520.56

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Solution

The fourth proportional to 163,849.20, 245,787.06 and 45,520.56 is: 68,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,849.20 : 245,787.06 = 45,520.56 : x
  2. Step 2: Convert to fraction form
    163,849.20/245,787.06 = 45,520.56/x
  3. Step 3: Cross multiply
    163,849.20x = 245,787.06 × 45,520.56
  4. Step 4: Simplify right side
    163,849.20x = 11,188,364,611.95
  5. Step 5: Solve for x
    x = 11,188,364,611.95/163,849.20
  6. Step 6: Final answer
    x = 68,284.52

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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.