Home / 156,521.37-234,735.89-66,563.92

Finding the Fourth Proportional to 156,521.37, 234,735.89 and 66,563.92

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Solution

The fourth proportional to 156,521.37, 234,735.89 and 66,563.92 is: 99,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,521.37 : 234,735.89 = 66,563.92 : x
  2. Step 2: Convert to fraction form
    156,521.37/234,735.89 = 66,563.92/x
  3. Step 3: Cross multiply
    156,521.37x = 234,735.89 × 66,563.92
  4. Step 4: Simplify right side
    156,521.37x = 15,624,940,017.72
  5. Step 5: Solve for x
    x = 15,624,940,017.72/156,521.37
  6. Step 6: Final answer
    x = 99,826.24

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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.