Home / 156,939.44-235,384.32-68,169.14

Finding the Fourth Proportional to 156,939.44, 235,384.32 and 68,169.14

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Solution

The fourth proportional to 156,939.44, 235,384.32 and 68,169.14 is: 102,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.44 : 235,384.32 = 68,169.14 : x
  2. Step 2: Convert to fraction form
    156,939.44/235,384.32 = 68,169.14/x
  3. Step 3: Cross multiply
    156,939.44x = 235,384.32 × 68,169.14
  4. Step 4: Simplify right side
    156,939.44x = 16,045,946,663.88
  5. Step 5: Solve for x
    x = 16,045,946,663.88/156,939.44
  6. Step 6: Final answer
    x = 102,242.92

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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.