Home / 175,451.40-263,185.20-85,576.77

Finding the Fourth Proportional to 175,451.40, 263,185.20 and 85,576.77

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Solution

The fourth proportional to 175,451.40, 263,185.20 and 85,576.77 is: 128,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,451.40 : 263,185.20 = 85,576.77 : x
  2. Step 2: Convert to fraction form
    175,451.40/263,185.20 = 85,576.77/x
  3. Step 3: Cross multiply
    175,451.40x = 263,185.20 × 85,576.77
  4. Step 4: Simplify right side
    175,451.40x = 22,522,539,327.80
  5. Step 5: Solve for x
    x = 22,522,539,327.80/175,451.40
  6. Step 6: Final answer
    x = 128,369.11

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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.