Home / 156,861.56-235,188.32-57,009.89

Finding the Fourth Proportional to 156,861.56, 235,188.32 and 57,009.89

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Solution

The fourth proportional to 156,861.56, 235,188.32 and 57,009.89 is: 85,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,861.56 : 235,188.32 = 57,009.89 : x
  2. Step 2: Convert to fraction form
    156,861.56/235,188.32 = 57,009.89/x
  3. Step 3: Cross multiply
    156,861.56x = 235,188.32 × 57,009.89
  4. Step 4: Simplify right side
    156,861.56x = 13,408,058,791.49
  5. Step 5: Solve for x
    x = 13,408,058,791.49/156,861.56
  6. Step 6: Final answer
    x = 85,477.02

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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.