Home / 238,145.33-328,583.99-134,780.85

Finding the Fourth Proportional to 238,145.33, 328,583.99 and 134,780.85

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Solution

The fourth proportional to 238,145.33, 328,583.99 and 134,780.85 is: 185,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,145.33 : 328,583.99 = 134,780.85 : x
  2. Step 2: Convert to fraction form
    238,145.33/328,583.99 = 134,780.85/x
  3. Step 3: Cross multiply
    238,145.33x = 328,583.99 × 134,780.85
  4. Step 4: Simplify right side
    238,145.33x = 44,286,829,805.54
  5. Step 5: Solve for x
    x = 44,286,829,805.54/238,145.33
  6. Step 6: Final answer
    x = 185,965.56

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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.