Home / 454,372.05-681,617-154,772.49

Finding the Fourth Proportional to 454,372.05, 681,617 and 154,772.49

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Solution

The fourth proportional to 454,372.05, 681,617 and 154,772.49 is: 232,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,372.05 : 681,617 = 154,772.49 : x
  2. Step 2: Convert to fraction form
    454,372.05/681,617 = 154,772.49/x
  3. Step 3: Cross multiply
    454,372.05x = 681,617 × 154,772.49
  4. Step 4: Simplify right side
    454,372.05x = 105,495,560,316.33
  5. Step 5: Solve for x
    x = 105,495,560,316.33/454,372.05
  6. Step 6: Final answer
    x = 232,178.81

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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.