Home / 451,265.12-676,672.28-147,619.64

Finding the Fourth Proportional to 451,265.12, 676,672.28 and 147,619.64

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Solution

The fourth proportional to 451,265.12, 676,672.28 and 147,619.64 is: 221,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,265.12 : 676,672.28 = 147,619.64 : x
  2. Step 2: Convert to fraction form
    451,265.12/676,672.28 = 147,619.64/x
  3. Step 3: Cross multiply
    451,265.12x = 676,672.28 × 147,619.64
  4. Step 4: Simplify right side
    451,265.12x = 99,890,118,371.58
  5. Step 5: Solve for x
    x = 99,890,118,371.58/451,265.12
  6. Step 6: Final answer
    x = 221,355.73

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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.