Home / 156,796.80-235,114.56-51,603.84

Finding the Fourth Proportional to 156,796.80, 235,114.56 and 51,603.84

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Solution

The fourth proportional to 156,796.80, 235,114.56 and 51,603.84 is: 77,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.80 : 235,114.56 = 51,603.84 : x
  2. Step 2: Convert to fraction form
    156,796.80/235,114.56 = 51,603.84/x
  3. Step 3: Cross multiply
    156,796.80x = 235,114.56 × 51,603.84
  4. Step 4: Simplify right side
    156,796.80x = 12,132,814,135.91
  5. Step 5: Solve for x
    x = 12,132,814,135.91/156,796.80
  6. Step 6: Final answer
    x = 77,379.22

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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.