Home / 238,425.90-328,890.86-148,846.38

Finding the Fourth Proportional to 238,425.90, 328,890.86 and 148,846.38

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Solution

The fourth proportional to 238,425.90, 328,890.86 and 148,846.38 is: 205,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,425.90 : 328,890.86 = 148,846.38 : x
  2. Step 2: Convert to fraction form
    238,425.90/328,890.86 = 148,846.38/x
  3. Step 3: Cross multiply
    238,425.90x = 328,890.86 × 148,846.38
  4. Step 4: Simplify right side
    238,425.90x = 48,954,213,926.09
  5. Step 5: Solve for x
    x = 48,954,213,926.09/238,425.90
  6. Step 6: Final answer
    x = 205,322.55

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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.