Home / 105,176.75-157,811.36-55,245.24

Finding the Fourth Proportional to 105,176.75, 157,811.36 and 55,245.24

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Solution

The fourth proportional to 105,176.75, 157,811.36 and 55,245.24 is: 82,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,176.75 : 157,811.36 = 55,245.24 : x
  2. Step 2: Convert to fraction form
    105,176.75/157,811.36 = 55,245.24/x
  3. Step 3: Cross multiply
    105,176.75x = 157,811.36 × 55,245.24
  4. Step 4: Simplify right side
    105,176.75x = 8,718,326,181.70
  5. Step 5: Solve for x
    x = 8,718,326,181.70/105,176.75
  6. Step 6: Final answer
    x = 82,892.15

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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.