Home / 156,669.06-235,003.65-45,861.06

Finding the Fourth Proportional to 156,669.06, 235,003.65 and 45,861.06

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Solution

The fourth proportional to 156,669.06, 235,003.65 and 45,861.06 is: 68,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.06 : 235,003.65 = 45,861.06 : x
  2. Step 2: Convert to fraction form
    156,669.06/235,003.65 = 45,861.06/x
  3. Step 3: Cross multiply
    156,669.06x = 235,003.65 × 45,861.06
  4. Step 4: Simplify right side
    156,669.06x = 10,777,516,492.87
  5. Step 5: Solve for x
    x = 10,777,516,492.87/156,669.06
  6. Step 6: Final answer
    x = 68,791.61

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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.