Home / 297,254.80-445,882.20-190,966.60

Finding the Fourth Proportional to 297,254.80, 445,882.20 and 190,966.60

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Solution

The fourth proportional to 297,254.80, 445,882.20 and 190,966.60 is: 286,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,254.80 : 445,882.20 = 190,966.60 : x
  2. Step 2: Convert to fraction form
    297,254.80/445,882.20 = 190,966.60/x
  3. Step 3: Cross multiply
    297,254.80x = 445,882.20 × 190,966.60
  4. Step 4: Simplify right side
    297,254.80x = 85,148,607,734.52
  5. Step 5: Solve for x
    x = 85,148,607,734.52/297,254.80
  6. Step 6: Final answer
    x = 286,449.90

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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.