Home / 454,133.70-681,516.76-187,895.62

Finding the Fourth Proportional to 454,133.70, 681,516.76 and 187,895.62

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Solution

The fourth proportional to 454,133.70, 681,516.76 and 187,895.62 is: 281,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,133.70 : 681,516.76 = 187,895.62 : x
  2. Step 2: Convert to fraction form
    454,133.70/681,516.76 = 187,895.62/x
  3. Step 3: Cross multiply
    454,133.70x = 681,516.76 × 187,895.62
  4. Step 4: Simplify right side
    454,133.70x = 128,054,014,160.59
  5. Step 5: Solve for x
    x = 128,054,014,160.59/454,133.70
  6. Step 6: Final answer
    x = 281,974.26

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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.