Home / 454,716.84-681,887.60-155,221.57

Finding the Fourth Proportional to 454,716.84, 681,887.60 and 155,221.57

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Solution

The fourth proportional to 454,716.84, 681,887.60 and 155,221.57 is: 232,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,716.84 : 681,887.60 = 155,221.57 : x
  2. Step 2: Convert to fraction form
    454,716.84/681,887.60 = 155,221.57/x
  3. Step 3: Cross multiply
    454,716.84x = 681,887.60 × 155,221.57
  4. Step 4: Simplify right side
    454,716.84x = 105,843,663,835.53
  5. Step 5: Solve for x
    x = 105,843,663,835.53/454,716.84
  6. Step 6: Final answer
    x = 232,768.30

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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.