Home / 155,399.93-233,538.66-92,231.85

Finding the Fourth Proportional to 155,399.93, 233,538.66 and 92,231.85

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Solution

The fourth proportional to 155,399.93, 233,538.66 and 92,231.85 is: 138,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,399.93 : 233,538.66 = 92,231.85 : x
  2. Step 2: Convert to fraction form
    155,399.93/233,538.66 = 92,231.85/x
  3. Step 3: Cross multiply
    155,399.93x = 233,538.66 × 92,231.85
  4. Step 4: Simplify right side
    155,399.93x = 21,539,703,534.09
  5. Step 5: Solve for x
    x = 21,539,703,534.09/155,399.93
  6. Step 6: Final answer
    x = 138,608.19

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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.