Home / 118,257.31-177,403.52-38,268.47

Finding the Fourth Proportional to 118,257.31, 177,403.52 and 38,268.47

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Solution

The fourth proportional to 118,257.31, 177,403.52 and 38,268.47 is: 57,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,257.31 : 177,403.52 = 38,268.47 : x
  2. Step 2: Convert to fraction form
    118,257.31/177,403.52 = 38,268.47/x
  3. Step 3: Cross multiply
    118,257.31x = 177,403.52 × 38,268.47
  4. Step 4: Simplify right side
    118,257.31x = 6,788,960,609.04
  5. Step 5: Solve for x
    x = 6,788,960,609.04/118,257.31
  6. Step 6: Final answer
    x = 57,408.38

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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.