Home / 119,528.76-179,321.22-66,974.52

Finding the Fourth Proportional to 119,528.76, 179,321.22 and 66,974.52

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Solution

The fourth proportional to 119,528.76, 179,321.22 and 66,974.52 is: 100,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,528.76 : 179,321.22 = 66,974.52 : x
  2. Step 2: Convert to fraction form
    119,528.76/179,321.22 = 66,974.52/x
  3. Step 3: Cross multiply
    119,528.76x = 179,321.22 × 66,974.52
  4. Step 4: Simplify right side
    119,528.76x = 12,009,952,635.31
  5. Step 5: Solve for x
    x = 12,009,952,635.31/119,528.76
  6. Step 6: Final answer
    x = 100,477.51

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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.