Home / 252,004.10-378,006.15-168,023.30

Finding the Fourth Proportional to 252,004.10, 378,006.15 and 168,023.30

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Solution

The fourth proportional to 252,004.10, 378,006.15 and 168,023.30 is: 252,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,004.10 : 378,006.15 = 168,023.30 : x
  2. Step 2: Convert to fraction form
    252,004.10/378,006.15 = 168,023.30/x
  3. Step 3: Cross multiply
    252,004.10x = 378,006.15 × 168,023.30
  4. Step 4: Simplify right side
    252,004.10x = 63,513,840,743.30
  5. Step 5: Solve for x
    x = 63,513,840,743.30/252,004.10
  6. Step 6: Final answer
    x = 252,034.95

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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.