Home / 382,559.45-573,839.64-142,669.70

Finding the Fourth Proportional to 382,559.45, 573,839.64 and 142,669.70

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Solution

The fourth proportional to 382,559.45, 573,839.64 and 142,669.70 is: 214,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,559.45 : 573,839.64 = 142,669.70 : x
  2. Step 2: Convert to fraction form
    382,559.45/573,839.64 = 142,669.70/x
  3. Step 3: Cross multiply
    382,559.45x = 573,839.64 × 142,669.70
  4. Step 4: Simplify right side
    382,559.45x = 81,869,529,286.91
  5. Step 5: Solve for x
    x = 81,869,529,286.91/382,559.45
  6. Step 6: Final answer
    x = 214,004.72

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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.