Home / 175,905.38-263,855.87-42,785.73

Finding the Fourth Proportional to 175,905.38, 263,855.87 and 42,785.73

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Solution

The fourth proportional to 175,905.38, 263,855.87 and 42,785.73 is: 64,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,905.38 : 263,855.87 = 42,785.73 : x
  2. Step 2: Convert to fraction form
    175,905.38/263,855.87 = 42,785.73/x
  3. Step 3: Cross multiply
    175,905.38x = 263,855.87 × 42,785.73
  4. Step 4: Simplify right side
    175,905.38x = 11,289,264,479.53
  5. Step 5: Solve for x
    x = 11,289,264,479.53/175,905.38
  6. Step 6: Final answer
    x = 64,178.05

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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.