Home / 287,611.95-396,905.82-166,824.75

Finding the Fourth Proportional to 287,611.95, 396,905.82 and 166,824.75

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Solution

The fourth proportional to 287,611.95, 396,905.82 and 166,824.75 is: 230,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,611.95 : 396,905.82 = 166,824.75 : x
  2. Step 2: Convert to fraction form
    287,611.95/396,905.82 = 166,824.75/x
  3. Step 3: Cross multiply
    287,611.95x = 396,905.82 × 166,824.75
  4. Step 4: Simplify right side
    287,611.95x = 66,213,711,376.39
  5. Step 5: Solve for x
    x = 66,213,711,376.39/287,611.95
  6. Step 6: Final answer
    x = 230,218.92

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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.