Home / 156,739.44-235,108.80-56,899.56

Finding the Fourth Proportional to 156,739.44, 235,108.80 and 56,899.56

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Solution

The fourth proportional to 156,739.44, 235,108.80 and 56,899.56 is: 85,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.44 : 235,108.80 = 56,899.56 : x
  2. Step 2: Convert to fraction form
    156,739.44/235,108.80 = 56,899.56/x
  3. Step 3: Cross multiply
    156,739.44x = 235,108.80 × 56,899.56
  4. Step 4: Simplify right side
    156,739.44x = 13,377,587,272.13
  5. Step 5: Solve for x
    x = 13,377,587,272.13/156,739.44
  6. Step 6: Final answer
    x = 85,349.21

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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.