Home / 127,699.24-191,493.18-43,436.52

Finding the Fourth Proportional to 127,699.24, 191,493.18 and 43,436.52

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Solution

The fourth proportional to 127,699.24, 191,493.18 and 43,436.52 is: 65,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.24 : 191,493.18 = 43,436.52 : x
  2. Step 2: Convert to fraction form
    127,699.24/191,493.18 = 43,436.52/x
  3. Step 3: Cross multiply
    127,699.24x = 191,493.18 × 43,436.52
  4. Step 4: Simplify right side
    127,699.24x = 8,317,797,342.93
  5. Step 5: Solve for x
    x = 8,317,797,342.93/127,699.24
  6. Step 6: Final answer
    x = 65,135.84

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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.