Home / 119,868.54-179,806.05-31,120.08

Finding the Fourth Proportional to 119,868.54, 179,806.05 and 31,120.08

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Solution

The fourth proportional to 119,868.54, 179,806.05 and 31,120.08 is: 46,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,868.54 : 179,806.05 = 31,120.08 : x
  2. Step 2: Convert to fraction form
    119,868.54/179,806.05 = 31,120.08/x
  3. Step 3: Cross multiply
    119,868.54x = 179,806.05 × 31,120.08
  4. Step 4: Simplify right side
    119,868.54x = 5,595,578,660.48
  5. Step 5: Solve for x
    x = 5,595,578,660.48/119,868.54
  6. Step 6: Final answer
    x = 46,680.96

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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.