Home / 102,906.10-154,359.15-96,685.30

Finding the Fourth Proportional to 102,906.10, 154,359.15 and 96,685.30

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Solution

The fourth proportional to 102,906.10, 154,359.15 and 96,685.30 is: 145,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,906.10 : 154,359.15 = 96,685.30 : x
  2. Step 2: Convert to fraction form
    102,906.10/154,359.15 = 96,685.30/x
  3. Step 3: Cross multiply
    102,906.10x = 154,359.15 × 96,685.30
  4. Step 4: Simplify right side
    102,906.10x = 14,924,260,725.50
  5. Step 5: Solve for x
    x = 14,924,260,725.50/102,906.10
  6. Step 6: Final answer
    x = 145,027.95

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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.