Home / 354,261.35-531,276.89-117,540.47

Finding the Fourth Proportional to 354,261.35, 531,276.89 and 117,540.47

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Solution

The fourth proportional to 354,261.35, 531,276.89 and 117,540.47 is: 176,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,261.35 : 531,276.89 = 117,540.47 : x
  2. Step 2: Convert to fraction form
    354,261.35/531,276.89 = 117,540.47/x
  3. Step 3: Cross multiply
    354,261.35x = 531,276.89 × 117,540.47
  4. Step 4: Simplify right side
    354,261.35x = 62,446,536,972.78
  5. Step 5: Solve for x
    x = 62,446,536,972.78/354,261.35
  6. Step 6: Final answer
    x = 176,272.51

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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.