Home / 105,927.41-158,891.22-74,478.15

Finding the Fourth Proportional to 105,927.41, 158,891.22 and 74,478.15

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Solution

The fourth proportional to 105,927.41, 158,891.22 and 74,478.15 is: 111,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,927.41 : 158,891.22 = 74,478.15 : x
  2. Step 2: Convert to fraction form
    105,927.41/158,891.22 = 74,478.15/x
  3. Step 3: Cross multiply
    105,927.41x = 158,891.22 × 74,478.15
  4. Step 4: Simplify right side
    105,927.41x = 11,833,924,116.84
  5. Step 5: Solve for x
    x = 11,833,924,116.84/105,927.41
  6. Step 6: Final answer
    x = 111,717.30

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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.