Home / 237,943.22-328,370.83-130,517.78

Finding the Fourth Proportional to 237,943.22, 328,370.83 and 130,517.78

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Solution

The fourth proportional to 237,943.22, 328,370.83 and 130,517.78 is: 180,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,943.22 : 328,370.83 = 130,517.78 : x
  2. Step 2: Convert to fraction form
    237,943.22/328,370.83 = 130,517.78/x
  3. Step 3: Cross multiply
    237,943.22x = 328,370.83 × 130,517.78
  4. Step 4: Simplify right side
    237,943.22x = 42,858,231,748.36
  5. Step 5: Solve for x
    x = 42,858,231,748.36/237,943.22
  6. Step 6: Final answer
    x = 180,119.58

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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.