Home / 156,772.55-235,163.30-38,443.83

Finding the Fourth Proportional to 156,772.55, 235,163.30 and 38,443.83

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Solution

The fourth proportional to 156,772.55, 235,163.30 and 38,443.83 is: 57,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,772.55 : 235,163.30 = 38,443.83 : x
  2. Step 2: Convert to fraction form
    156,772.55/235,163.30 = 38,443.83/x
  3. Step 3: Cross multiply
    156,772.55x = 235,163.30 × 38,443.83
  4. Step 4: Simplify right side
    156,772.55x = 9,040,577,735.22
  5. Step 5: Solve for x
    x = 9,040,577,735.22/156,772.55
  6. Step 6: Final answer
    x = 57,666.84

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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.