Home / 155,805.81-233,625.65-80,850.48

Finding the Fourth Proportional to 155,805.81, 233,625.65 and 80,850.48

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Solution

The fourth proportional to 155,805.81, 233,625.65 and 80,850.48 is: 121,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,805.81 : 233,625.65 = 80,850.48 : x
  2. Step 2: Convert to fraction form
    155,805.81/233,625.65 = 80,850.48/x
  3. Step 3: Cross multiply
    155,805.81x = 233,625.65 × 80,850.48
  4. Step 4: Simplify right side
    155,805.81x = 18,888,745,538.56
  5. Step 5: Solve for x
    x = 18,888,745,538.56/155,805.81
  6. Step 6: Final answer
    x = 121,232.61

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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.