Home / 103,391.88-155,146.38-44,222.28

Finding the Fourth Proportional to 103,391.88, 155,146.38 and 44,222.28

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Solution

The fourth proportional to 103,391.88, 155,146.38 and 44,222.28 is: 66,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,391.88 : 155,146.38 = 44,222.28 : x
  2. Step 2: Convert to fraction form
    103,391.88/155,146.38 = 44,222.28/x
  3. Step 3: Cross multiply
    103,391.88x = 155,146.38 × 44,222.28
  4. Step 4: Simplify right side
    103,391.88x = 6,860,926,657.35
  5. Step 5: Solve for x
    x = 6,860,926,657.35/103,391.88
  6. Step 6: Final answer
    x = 66,358.47

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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.