Home / 238,056.21-328,517.60-136,083.87

Finding the Fourth Proportional to 238,056.21, 328,517.60 and 136,083.87

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Solution

The fourth proportional to 238,056.21, 328,517.60 and 136,083.87 is: 187,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,056.21 : 328,517.60 = 136,083.87 : x
  2. Step 2: Convert to fraction form
    238,056.21/328,517.60 = 136,083.87/x
  3. Step 3: Cross multiply
    238,056.21x = 328,517.60 × 136,083.87
  4. Step 4: Simplify right side
    238,056.21x = 44,705,945,690.69
  5. Step 5: Solve for x
    x = 44,705,945,690.69/238,056.21
  6. Step 6: Final answer
    x = 187,795.76

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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.