Home / 119,631.53-179,175.31-92,762.21

Finding the Fourth Proportional to 119,631.53, 179,175.31 and 92,762.21

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Solution

The fourth proportional to 119,631.53, 179,175.31 and 92,762.21 is: 138,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,631.53 : 179,175.31 = 92,762.21 : x
  2. Step 2: Convert to fraction form
    119,631.53/179,175.31 = 92,762.21/x
  3. Step 3: Cross multiply
    119,631.53x = 179,175.31 × 92,762.21
  4. Step 4: Simplify right side
    119,631.53x = 16,620,697,949.07
  5. Step 5: Solve for x
    x = 16,620,697,949.07/119,631.53
  6. Step 6: Final answer
    x = 138,932.42

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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.