Home / 119,990.61-179,715.26-93,121.94

Finding the Fourth Proportional to 119,990.61, 179,715.26 and 93,121.94

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Solution

The fourth proportional to 119,990.61, 179,715.26 and 93,121.94 is: 139,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,990.61 : 179,715.26 = 93,121.94 : x
  2. Step 2: Convert to fraction form
    119,990.61/179,715.26 = 93,121.94/x
  3. Step 3: Cross multiply
    119,990.61x = 179,715.26 × 93,121.94
  4. Step 4: Simplify right side
    119,990.61x = 16,735,434,340.90
  5. Step 5: Solve for x
    x = 16,735,434,340.90/119,990.61
  6. Step 6: Final answer
    x = 139,472.87

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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.