Home / 119,930.72-179,863.26-45,045.08

Finding the Fourth Proportional to 119,930.72, 179,863.26 and 45,045.08

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Solution

The fourth proportional to 119,930.72, 179,863.26 and 45,045.08 is: 67,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,930.72 : 179,863.26 = 45,045.08 : x
  2. Step 2: Convert to fraction form
    119,930.72/179,863.26 = 45,045.08/x
  3. Step 3: Cross multiply
    119,930.72x = 179,863.26 × 45,045.08
  4. Step 4: Simplify right side
    119,930.72x = 8,101,954,935.76
  5. Step 5: Solve for x
    x = 8,101,954,935.76/119,930.72
  6. Step 6: Final answer
    x = 67,555.29

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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.