Home / 156,824.40-235,236.60-51,629.70

Finding the Fourth Proportional to 156,824.40, 235,236.60 and 51,629.70

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Solution

The fourth proportional to 156,824.40, 235,236.60 and 51,629.70 is: 77,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,824.40 : 235,236.60 = 51,629.70 : x
  2. Step 2: Convert to fraction form
    156,824.40/235,236.60 = 51,629.70/x
  3. Step 3: Cross multiply
    156,824.40x = 235,236.60 × 51,629.70
  4. Step 4: Simplify right side
    156,824.40x = 12,145,195,087.02
  5. Step 5: Solve for x
    x = 12,145,195,087.02/156,824.40
  6. Step 6: Final answer
    x = 77,444.55

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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.