Home / 454,719.74-681,891.94-155,224.47

Finding the Fourth Proportional to 454,719.74, 681,891.94 and 155,224.47

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Solution

The fourth proportional to 454,719.74, 681,891.94 and 155,224.47 is: 232,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,719.74 : 681,891.94 = 155,224.47 : x
  2. Step 2: Convert to fraction form
    454,719.74/681,891.94 = 155,224.47/x
  3. Step 3: Cross multiply
    454,719.74x = 681,891.94 × 155,224.47
  4. Step 4: Simplify right side
    454,719.74x = 105,846,314,983.77
  5. Step 5: Solve for x
    x = 105,846,314,983.77/454,719.74
  6. Step 6: Final answer
    x = 232,772.64

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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.