Home / 354,832.03-532,255.53-127,142.47

Finding the Fourth Proportional to 354,832.03, 532,255.53 and 127,142.47

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Solution

The fourth proportional to 354,832.03, 532,255.53 and 127,142.47 is: 190,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,832.03 : 532,255.53 = 127,142.47 : x
  2. Step 2: Convert to fraction form
    354,832.03/532,255.53 = 127,142.47/x
  3. Step 3: Cross multiply
    354,832.03x = 532,255.53 × 127,142.47
  4. Step 4: Simplify right side
    354,832.03x = 67,672,282,755.36
  5. Step 5: Solve for x
    x = 67,672,282,755.36/354,832.03
  6. Step 6: Final answer
    x = 190,716.39

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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.