Home / 250,890.30-376,335.45-203,651.10

Finding the Fourth Proportional to 250,890.30, 376,335.45 and 203,651.10

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Solution

The fourth proportional to 250,890.30, 376,335.45 and 203,651.10 is: 305,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,890.30 : 376,335.45 = 203,651.10 : x
  2. Step 2: Convert to fraction form
    250,890.30/376,335.45 = 203,651.10/x
  3. Step 3: Cross multiply
    250,890.30x = 376,335.45 × 203,651.10
  4. Step 4: Simplify right side
    250,890.30x = 76,641,128,361.50
  5. Step 5: Solve for x
    x = 76,641,128,361.50/250,890.30
  6. Step 6: Final answer
    x = 305,476.65

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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.