Home / 237,819.12-328,193.04-135,858

Finding the Fourth Proportional to 237,819.12, 328,193.04 and 135,858

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Solution

The fourth proportional to 237,819.12, 328,193.04 and 135,858 is: 187,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,819.12 : 328,193.04 = 135,858 : x
  2. Step 2: Convert to fraction form
    237,819.12/328,193.04 = 135,858/x
  3. Step 3: Cross multiply
    237,819.12x = 328,193.04 × 135,858
  4. Step 4: Simplify right side
    237,819.12x = 44,587,650,028.32
  5. Step 5: Solve for x
    x = 44,587,650,028.32/237,819.12
  6. Step 6: Final answer
    x = 187,485.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.