Home / 175,291.05-262,846.50-80,439.57

Finding the Fourth Proportional to 175,291.05, 262,846.50 and 80,439.57

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Solution

The fourth proportional to 175,291.05, 262,846.50 and 80,439.57 is: 120,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,291.05 : 262,846.50 = 80,439.57 : x
  2. Step 2: Convert to fraction form
    175,291.05/262,846.50 = 80,439.57/x
  3. Step 3: Cross multiply
    175,291.05x = 262,846.50 × 80,439.57
  4. Step 4: Simplify right side
    175,291.05x = 21,143,259,436.01
  5. Step 5: Solve for x
    x = 21,143,259,436.01/175,291.05
  6. Step 6: Final answer
    x = 120,618.02

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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.