Home / 119,226.24-178,839-30,479.76

Finding the Fourth Proportional to 119,226.24, 178,839 and 30,479.76

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Solution

The fourth proportional to 119,226.24, 178,839 and 30,479.76 is: 45,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,226.24 : 178,839 = 30,479.76 : x
  2. Step 2: Convert to fraction form
    119,226.24/178,839 = 30,479.76/x
  3. Step 3: Cross multiply
    119,226.24x = 178,839 × 30,479.76
  4. Step 4: Simplify right side
    119,226.24x = 5,450,969,798.64
  5. Step 5: Solve for x
    x = 5,450,969,798.64/119,226.24
  6. Step 6: Final answer
    x = 45,719.55

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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.