Home / 454,081-681,140.66-134,233.60

Finding the Fourth Proportional to 454,081, 681,140.66 and 134,233.60

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Solution

The fourth proportional to 454,081, 681,140.66 and 134,233.60 is: 201,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,081 : 681,140.66 = 134,233.60 : x
  2. Step 2: Convert to fraction form
    454,081/681,140.66 = 134,233.60/x
  3. Step 3: Cross multiply
    454,081x = 681,140.66 × 134,233.60
  4. Step 4: Simplify right side
    454,081x = 91,431,962,898.18
  5. Step 5: Solve for x
    x = 91,431,962,898.18/454,081
  6. Step 6: Final answer
    x = 201,356.06

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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.