Home / 119,243.10-178,863.91-30,496.45

Finding the Fourth Proportional to 119,243.10, 178,863.91 and 30,496.45

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Solution

The fourth proportional to 119,243.10, 178,863.91 and 30,496.45 is: 45,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,243.10 : 178,863.91 = 30,496.45 : x
  2. Step 2: Convert to fraction form
    119,243.10/178,863.91 = 30,496.45/x
  3. Step 3: Cross multiply
    119,243.10x = 178,863.91 × 30,496.45
  4. Step 4: Simplify right side
    119,243.10x = 5,454,714,288.12
  5. Step 5: Solve for x
    x = 5,454,714,288.12/119,243.10
  6. Step 6: Final answer
    x = 45,744.49

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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.