Home / 155,734.33-214,915.39-92,071.57

Finding the Fourth Proportional to 155,734.33, 214,915.39 and 92,071.57

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Solution

The fourth proportional to 155,734.33, 214,915.39 and 92,071.57 is: 127,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,734.33 : 214,915.39 = 92,071.57 : x
  2. Step 2: Convert to fraction form
    155,734.33/214,915.39 = 92,071.57/x
  3. Step 3: Cross multiply
    155,734.33x = 214,915.39 × 92,071.57
  4. Step 4: Simplify right side
    155,734.33x = 19,787,597,374.46
  5. Step 5: Solve for x
    x = 19,787,597,374.46/155,734.33
  6. Step 6: Final answer
    x = 127,059.96

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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.