Home / 482,905.22-724,371.53-127,919.30

Finding the Fourth Proportional to 482,905.22, 724,371.53 and 127,919.30

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Solution

The fourth proportional to 482,905.22, 724,371.53 and 127,919.30 is: 191,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,905.22 : 724,371.53 = 127,919.30 : x
  2. Step 2: Convert to fraction form
    482,905.22/724,371.53 = 127,919.30/x
  3. Step 3: Cross multiply
    482,905.22x = 724,371.53 × 127,919.30
  4. Step 4: Simplify right side
    482,905.22x = 92,661,094,796.07
  5. Step 5: Solve for x
    x = 92,661,094,796.07/482,905.22
  6. Step 6: Final answer
    x = 191,882.57

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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.