Home / 119,786.36-179,718.42-57,461.72

Finding the Fourth Proportional to 119,786.36, 179,718.42 and 57,461.72

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Solution

The fourth proportional to 119,786.36, 179,718.42 and 57,461.72 is: 86,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,786.36 : 179,718.42 = 57,461.72 : x
  2. Step 2: Convert to fraction form
    119,786.36/179,718.42 = 57,461.72/x
  3. Step 3: Cross multiply
    119,786.36x = 179,718.42 × 57,461.72
  4. Step 4: Simplify right side
    119,786.36x = 10,326,929,528.88
  5. Step 5: Solve for x
    x = 10,326,929,528.88/119,786.36
  6. Step 6: Final answer
    x = 86,211.23

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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.