Home / 327,444.81-491,167.23-90,787.50

Finding the Fourth Proportional to 327,444.81, 491,167.23 and 90,787.50

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Solution

The fourth proportional to 327,444.81, 491,167.23 and 90,787.50 is: 136,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,444.81 : 491,167.23 = 90,787.50 : x
  2. Step 2: Convert to fraction form
    327,444.81/491,167.23 = 90,787.50/x
  3. Step 3: Cross multiply
    327,444.81x = 491,167.23 × 90,787.50
  4. Step 4: Simplify right side
    327,444.81x = 44,591,844,893.63
  5. Step 5: Solve for x
    x = 44,591,844,893.63/327,444.81
  6. Step 6: Final answer
    x = 136,181.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.