Home / 238,405.38-328,885.75-173,735.96

Finding the Fourth Proportional to 238,405.38, 328,885.75 and 173,735.96

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Solution

The fourth proportional to 238,405.38, 328,885.75 and 173,735.96 is: 239,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,405.38 : 328,885.75 = 173,735.96 : x
  2. Step 2: Convert to fraction form
    238,405.38/328,885.75 = 173,735.96/x
  3. Step 3: Cross multiply
    238,405.38x = 328,885.75 × 173,735.96
  4. Step 4: Simplify right side
    238,405.38x = 57,139,278,993.46
  5. Step 5: Solve for x
    x = 57,139,278,993.46/238,405.38
  6. Step 6: Final answer
    x = 239,672.78

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1.5x scale

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.