Home / 252,394.34-378,335.91-163,704.14

Finding the Fourth Proportional to 252,394.34, 378,335.91 and 163,704.14

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Solution

The fourth proportional to 252,394.34, 378,335.91 and 163,704.14 is: 245,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,394.34 : 378,335.91 = 163,704.14 : x
  2. Step 2: Convert to fraction form
    252,394.34/378,335.91 = 163,704.14/x
  3. Step 3: Cross multiply
    252,394.34x = 378,335.91 × 163,704.14
  4. Step 4: Simplify right side
    252,394.34x = 61,935,154,777.67
  5. Step 5: Solve for x
    x = 61,935,154,777.67/252,394.34
  6. Step 6: Final answer
    x = 245,390.43

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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.