Home / 156,589.80-234,796.68-51,399.96

Finding the Fourth Proportional to 156,589.80, 234,796.68 and 51,399.96

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Solution

The fourth proportional to 156,589.80, 234,796.68 and 51,399.96 is: 77,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,589.80 : 234,796.68 = 51,399.96 : x
  2. Step 2: Convert to fraction form
    156,589.80/234,796.68 = 51,399.96/x
  3. Step 3: Cross multiply
    156,589.80x = 234,796.68 × 51,399.96
  4. Step 4: Simplify right side
    156,589.80x = 12,068,539,960.13
  5. Step 5: Solve for x
    x = 12,068,539,960.13/156,589.80
  6. Step 6: Final answer
    x = 77,071.05

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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.