Home / 156,759.96-235,121.70-55,546.50

Finding the Fourth Proportional to 156,759.96, 235,121.70 and 55,546.50

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Solution

The fourth proportional to 156,759.96, 235,121.70 and 55,546.50 is: 83,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,759.96 : 235,121.70 = 55,546.50 : x
  2. Step 2: Convert to fraction form
    156,759.96/235,121.70 = 55,546.50/x
  3. Step 3: Cross multiply
    156,759.96x = 235,121.70 × 55,546.50
  4. Step 4: Simplify right side
    156,759.96x = 13,060,187,509.05
  5. Step 5: Solve for x
    x = 13,060,187,509.05/156,759.96
  6. Step 6: Final answer
    x = 83,313.29

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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.