Home / 156,185.82-234,135.36-56,322.54

Finding the Fourth Proportional to 156,185.82, 234,135.36 and 56,322.54

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Solution

The fourth proportional to 156,185.82, 234,135.36 and 56,322.54 is: 84,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,185.82 : 234,135.36 = 56,322.54 : x
  2. Step 2: Convert to fraction form
    156,185.82/234,135.36 = 56,322.54/x
  3. Step 3: Cross multiply
    156,185.82x = 234,135.36 × 56,322.54
  4. Step 4: Simplify right side
    156,185.82x = 13,187,098,179.01
  5. Step 5: Solve for x
    x = 13,187,098,179.01/156,185.82
  6. Step 6: Final answer
    x = 84,432.11

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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.