Home / 449,575.20-674,276.40-134,042.40

Finding the Fourth Proportional to 449,575.20, 674,276.40 and 134,042.40

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Solution

The fourth proportional to 449,575.20, 674,276.40 and 134,042.40 is: 201,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,575.20 : 674,276.40 = 134,042.40 : x
  2. Step 2: Convert to fraction form
    449,575.20/674,276.40 = 134,042.40/x
  3. Step 3: Cross multiply
    449,575.20x = 674,276.40 × 134,042.40
  4. Step 4: Simplify right side
    449,575.20x = 90,381,626,919.36
  5. Step 5: Solve for x
    x = 90,381,626,919.36/449,575.20
  6. Step 6: Final answer
    x = 201,037.84

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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.