Home / 156,821.56-235,231.98-68,063.56

Finding the Fourth Proportional to 156,821.56, 235,231.98 and 68,063.56

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Solution

The fourth proportional to 156,821.56, 235,231.98 and 68,063.56 is: 102,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,821.56 : 235,231.98 = 68,063.56 : x
  2. Step 2: Convert to fraction form
    156,821.56/235,231.98 = 68,063.56/x
  3. Step 3: Cross multiply
    156,821.56x = 235,231.98 × 68,063.56
  4. Step 4: Simplify right side
    156,821.56x = 16,010,725,984.65
  5. Step 5: Solve for x
    x = 16,010,725,984.65/156,821.56
  6. Step 6: Final answer
    x = 102,095.18

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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.