Home / 253,132.08-379,402.92-140,758.44

Finding the Fourth Proportional to 253,132.08, 379,402.92 and 140,758.44

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Solution

The fourth proportional to 253,132.08, 379,402.92 and 140,758.44 is: 210,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,132.08 : 379,402.92 = 140,758.44 : x
  2. Step 2: Convert to fraction form
    253,132.08/379,402.92 = 140,758.44/x
  3. Step 3: Cross multiply
    253,132.08x = 379,402.92 × 140,758.44
  4. Step 4: Simplify right side
    253,132.08x = 53,404,163,150.64
  5. Step 5: Solve for x
    x = 53,404,163,150.64/253,132.08
  6. Step 6: Final answer
    x = 210,973.51

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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.