Home / 119,731.28-179,582.24-30,977.44

Finding the Fourth Proportional to 119,731.28, 179,582.24 and 30,977.44

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Solution

The fourth proportional to 119,731.28, 179,582.24 and 30,977.44 is: 46,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,731.28 : 179,582.24 = 30,977.44 : x
  2. Step 2: Convert to fraction form
    119,731.28/179,582.24 = 30,977.44/x
  3. Step 3: Cross multiply
    119,731.28x = 179,582.24 × 30,977.44
  4. Step 4: Simplify right side
    119,731.28x = 5,562,998,064.67
  5. Step 5: Solve for x
    x = 5,562,998,064.67/119,731.28
  6. Step 6: Final answer
    x = 46,462.36

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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.