Home / 119,223.28-178,834.21-30,476.64

Finding the Fourth Proportional to 119,223.28, 178,834.21 and 30,476.64

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Solution

The fourth proportional to 119,223.28, 178,834.21 and 30,476.64 is: 45,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,223.28 : 178,834.21 = 30,476.64 : x
  2. Step 2: Convert to fraction form
    119,223.28/178,834.21 = 30,476.64/x
  3. Step 3: Cross multiply
    119,223.28x = 178,834.21 × 30,476.64
  4. Step 4: Simplify right side
    119,223.28x = 5,450,265,685.47
  5. Step 5: Solve for x
    x = 5,450,265,685.47/119,223.28
  6. Step 6: Final answer
    x = 45,714.78

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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.