Home / 119,539.68-179,076.24-93,120.72

Finding the Fourth Proportional to 119,539.68, 179,076.24 and 93,120.72

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Solution

The fourth proportional to 119,539.68, 179,076.24 and 93,120.72 is: 139,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,539.68 : 179,076.24 = 93,120.72 : x
  2. Step 2: Convert to fraction form
    119,539.68/179,076.24 = 93,120.72/x
  3. Step 3: Cross multiply
    119,539.68x = 179,076.24 × 93,120.72
  4. Step 4: Simplify right side
    119,539.68x = 16,675,708,403.69
  5. Step 5: Solve for x
    x = 16,675,708,403.69/119,539.68
  6. Step 6: Final answer
    x = 139,499.36

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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.