Home / 252,033.10-378,049.65-168,052.30

Finding the Fourth Proportional to 252,033.10, 378,049.65 and 168,052.30

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Solution

The fourth proportional to 252,033.10, 378,049.65 and 168,052.30 is: 252,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,033.10 : 378,049.65 = 168,052.30 : x
  2. Step 2: Convert to fraction form
    252,033.10/378,049.65 = 168,052.30/x
  3. Step 3: Cross multiply
    252,033.10x = 378,049.65 × 168,052.30
  4. Step 4: Simplify right side
    252,033.10x = 63,532,113,196.70
  5. Step 5: Solve for x
    x = 63,532,113,196.70/252,033.10
  6. Step 6: Final answer
    x = 252,078.45

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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.