Home / 156,940.30-235,410.45-136,204.30

Finding the Fourth Proportional to 156,940.30, 235,410.45 and 136,204.30

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Solution

The fourth proportional to 156,940.30, 235,410.45 and 136,204.30 is: 204,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.30 : 235,410.45 = 136,204.30 : x
  2. Step 2: Convert to fraction form
    156,940.30/235,410.45 = 136,204.30/x
  3. Step 3: Cross multiply
    156,940.30x = 235,410.45 × 136,204.30
  4. Step 4: Simplify right side
    156,940.30x = 32,063,915,554.94
  5. Step 5: Solve for x
    x = 32,063,915,554.94/156,940.30
  6. Step 6: Final answer
    x = 204,306.45

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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.