Home / 156,669.56-235,004.40-45,861.56

Finding the Fourth Proportional to 156,669.56, 235,004.40 and 45,861.56

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Solution

The fourth proportional to 156,669.56, 235,004.40 and 45,861.56 is: 68,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.56 : 235,004.40 = 45,861.56 : x
  2. Step 2: Convert to fraction form
    156,669.56/235,004.40 = 45,861.56/x
  3. Step 3: Cross multiply
    156,669.56x = 235,004.40 × 45,861.56
  4. Step 4: Simplify right side
    156,669.56x = 10,777,668,390.86
  5. Step 5: Solve for x
    x = 10,777,668,390.86/156,669.56
  6. Step 6: Final answer
    x = 68,792.36

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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.