Home / 301,560.75-451,652.22-143,899.92

Finding the Fourth Proportional to 301,560.75, 451,652.22 and 143,899.92

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Solution

The fourth proportional to 301,560.75, 451,652.22 and 143,899.92 is: 215,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,560.75 : 451,652.22 = 143,899.92 : x
  2. Step 2: Convert to fraction form
    301,560.75/451,652.22 = 143,899.92/x
  3. Step 3: Cross multiply
    301,560.75x = 451,652.22 × 143,899.92
  4. Step 4: Simplify right side
    301,560.75x = 64,992,718,325.82
  5. Step 5: Solve for x
    x = 64,992,718,325.82/301,560.75
  6. Step 6: Final answer
    x = 215,521.15

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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.