Home / 155,895.94-233,771.21-80,995.95

Finding the Fourth Proportional to 155,895.94, 233,771.21 and 80,995.95

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Solution

The fourth proportional to 155,895.94, 233,771.21 and 80,995.95 is: 121,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,895.94 : 233,771.21 = 80,995.95 : x
  2. Step 2: Convert to fraction form
    155,895.94/233,771.21 = 80,995.95/x
  3. Step 3: Cross multiply
    155,895.94x = 233,771.21 × 80,995.95
  4. Step 4: Simplify right side
    155,895.94x = 18,934,519,662.76
  5. Step 5: Solve for x
    x = 18,934,519,662.76/155,895.94
  6. Step 6: Final answer
    x = 121,456.15

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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.