Home / 325,724.63-488,466.83-112,438.26

Finding the Fourth Proportional to 325,724.63, 488,466.83 and 112,438.26

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Solution

The fourth proportional to 325,724.63, 488,466.83 and 112,438.26 is: 168,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,724.63 : 488,466.83 = 112,438.26 : x
  2. Step 2: Convert to fraction form
    325,724.63/488,466.83 = 112,438.26/x
  3. Step 3: Cross multiply
    325,724.63x = 488,466.83 × 112,438.26
  4. Step 4: Simplify right side
    325,724.63x = 54,922,359,870.72
  5. Step 5: Solve for x
    x = 54,922,359,870.72/325,724.63
  6. Step 6: Final answer
    x = 168,615.93

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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.