Home / 173,621.10-260,431.65-105,969.90

Finding the Fourth Proportional to 173,621.10, 260,431.65 and 105,969.90

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Solution

The fourth proportional to 173,621.10, 260,431.65 and 105,969.90 is: 158,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,621.10 : 260,431.65 = 105,969.90 : x
  2. Step 2: Convert to fraction form
    173,621.10/260,431.65 = 105,969.90/x
  3. Step 3: Cross multiply
    173,621.10x = 260,431.65 × 105,969.90
  4. Step 4: Simplify right side
    173,621.10x = 27,597,915,907.34
  5. Step 5: Solve for x
    x = 27,597,915,907.34/173,621.10
  6. Step 6: Final answer
    x = 158,954.85

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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.