Home / 156,236.30-234,366.60-51,065.90

Finding the Fourth Proportional to 156,236.30, 234,366.60 and 51,065.90

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Solution

The fourth proportional to 156,236.30, 234,366.60 and 51,065.90 is: 76,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,236.30 : 234,366.60 = 51,065.90 : x
  2. Step 2: Convert to fraction form
    156,236.30/234,366.60 = 51,065.90/x
  3. Step 3: Cross multiply
    156,236.30x = 234,366.60 × 51,065.90
  4. Step 4: Simplify right side
    156,236.30x = 11,968,141,358.94
  5. Step 5: Solve for x
    x = 11,968,141,358.94/156,236.30
  6. Step 6: Final answer
    x = 76,602.82

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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.