Home / 252,197.12-378,386.06-108,042.48

Finding the Fourth Proportional to 252,197.12, 378,386.06 and 108,042.48

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Solution

The fourth proportional to 252,197.12, 378,386.06 and 108,042.48 is: 162,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,197.12 : 378,386.06 = 108,042.48 : x
  2. Step 2: Convert to fraction form
    252,197.12/378,386.06 = 108,042.48/x
  3. Step 3: Cross multiply
    252,197.12x = 378,386.06 × 108,042.48
  4. Step 4: Simplify right side
    252,197.12x = 40,881,768,319.83
  5. Step 5: Solve for x
    x = 40,881,768,319.83/252,197.12
  6. Step 6: Final answer
    x = 162,102.44

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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.