Home / 454,788.42-682,184.25-139,244.01

Finding the Fourth Proportional to 454,788.42, 682,184.25 and 139,244.01

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Solution

The fourth proportional to 454,788.42, 682,184.25 and 139,244.01 is: 208,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,788.42 : 682,184.25 = 139,244.01 : x
  2. Step 2: Convert to fraction form
    454,788.42/682,184.25 = 139,244.01/x
  3. Step 3: Cross multiply
    454,788.42x = 682,184.25 × 139,244.01
  4. Step 4: Simplify right side
    454,788.42x = 94,990,070,528.84
  5. Step 5: Solve for x
    x = 94,990,070,528.84/454,788.42
  6. Step 6: Final answer
    x = 208,866.51

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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.