Home / 324,225.51-447,438.77-203,371.89

Finding the Fourth Proportional to 324,225.51, 447,438.77 and 203,371.89

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Solution

The fourth proportional to 324,225.51, 447,438.77 and 203,371.89 is: 280,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,225.51 : 447,438.77 = 203,371.89 : x
  2. Step 2: Convert to fraction form
    324,225.51/447,438.77 = 203,371.89/x
  3. Step 3: Cross multiply
    324,225.51x = 447,438.77 × 203,371.89
  4. Step 4: Simplify right side
    324,225.51x = 90,996,467,297.32
  5. Step 5: Solve for x
    x = 90,996,467,297.32/324,225.51
  6. Step 6: Final answer
    x = 280,657.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.