Home / 448,581.84-672,758.04-132,964.80

Finding the Fourth Proportional to 448,581.84, 672,758.04 and 132,964.80

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Solution

The fourth proportional to 448,581.84, 672,758.04 and 132,964.80 is: 199,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,581.84 : 672,758.04 = 132,964.80 : x
  2. Step 2: Convert to fraction form
    448,581.84/672,758.04 = 132,964.80/x
  3. Step 3: Cross multiply
    448,581.84x = 672,758.04 × 132,964.80
  4. Step 4: Simplify right side
    448,581.84x = 89,453,138,236.99
  5. Step 5: Solve for x
    x = 89,453,138,236.99/448,581.84
  6. Step 6: Final answer
    x = 199,413.20

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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.