Home / 323,625.40-485,654.04-113,263.36

Finding the Fourth Proportional to 323,625.40, 485,654.04 and 113,263.36

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Solution

The fourth proportional to 323,625.40, 485,654.04 and 113,263.36 is: 169,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,625.40 : 485,654.04 = 113,263.36 : x
  2. Step 2: Convert to fraction form
    323,625.40/485,654.04 = 113,263.36/x
  3. Step 3: Cross multiply
    323,625.40x = 485,654.04 × 113,263.36
  4. Step 4: Simplify right side
    323,625.40x = 55,006,808,367.97
  5. Step 5: Solve for x
    x = 55,006,808,367.97/323,625.40
  6. Step 6: Final answer
    x = 169,970.62

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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.