Home / 454,721.74-681,894.94-155,226.47

Finding the Fourth Proportional to 454,721.74, 681,894.94 and 155,226.47

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Solution

The fourth proportional to 454,721.74, 681,894.94 and 155,226.47 is: 232,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,721.74 : 681,894.94 = 155,226.47 : x
  2. Step 2: Convert to fraction form
    454,721.74/681,894.94 = 155,226.47/x
  3. Step 3: Cross multiply
    454,721.74x = 681,894.94 × 155,226.47
  4. Step 4: Simplify right side
    454,721.74x = 105,848,144,447.06
  5. Step 5: Solve for x
    x = 105,848,144,447.06/454,721.74
  6. Step 6: Final answer
    x = 232,775.64

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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.