Home / 131,129.27-196,566.23-83,596.04

Finding the Fourth Proportional to 131,129.27, 196,566.23 and 83,596.04

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Solution

The fourth proportional to 131,129.27, 196,566.23 and 83,596.04 is: 125,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,129.27 : 196,566.23 = 83,596.04 : x
  2. Step 2: Convert to fraction form
    131,129.27/196,566.23 = 83,596.04/x
  3. Step 3: Cross multiply
    131,129.27x = 196,566.23 × 83,596.04
  4. Step 4: Simplify right side
    131,129.27x = 16,432,157,024.92
  5. Step 5: Solve for x
    x = 16,432,157,024.92/131,129.27
  6. Step 6: Final answer
    x = 125,312.66

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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.