Home / 325,870.20-488,685.42-112,583.43

Finding the Fourth Proportional to 325,870.20, 488,685.42 and 112,583.43

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Solution

The fourth proportional to 325,870.20, 488,685.42 and 112,583.43 is: 168,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,870.20 : 488,685.42 = 112,583.43 : x
  2. Step 2: Convert to fraction form
    325,870.20/488,685.42 = 112,583.43/x
  3. Step 3: Cross multiply
    325,870.20x = 488,685.42 × 112,583.43
  4. Step 4: Simplify right side
    325,870.20x = 55,017,880,774.59
  5. Step 5: Solve for x
    x = 55,017,880,774.59/325,870.20
  6. Step 6: Final answer
    x = 168,833.73

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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.