Home / 155,554.52-233,142.21-80,633.39

Finding the Fourth Proportional to 155,554.52, 233,142.21 and 80,633.39

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Solution

The fourth proportional to 155,554.52, 233,142.21 and 80,633.39 is: 120,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,554.52 : 233,142.21 = 80,633.39 : x
  2. Step 2: Convert to fraction form
    155,554.52/233,142.21 = 80,633.39/x
  3. Step 3: Cross multiply
    155,554.52x = 233,142.21 × 80,633.39
  4. Step 4: Simplify right side
    155,554.52x = 18,799,045,578.68
  5. Step 5: Solve for x
    x = 18,799,045,578.68/155,554.52
  6. Step 6: Final answer
    x = 120,851.82

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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.