Home / 249,883.20-374,824.51-81,403.25

Finding the Fourth Proportional to 249,883.20, 374,824.51 and 81,403.25

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Solution

The fourth proportional to 249,883.20, 374,824.51 and 81,403.25 is: 122,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,883.20 : 374,824.51 = 81,403.25 : x
  2. Step 2: Convert to fraction form
    249,883.20/374,824.51 = 81,403.25/x
  3. Step 3: Cross multiply
    249,883.20x = 374,824.51 × 81,403.25
  4. Step 4: Simplify right side
    249,883.20x = 30,511,933,293.66
  5. Step 5: Solve for x
    x = 30,511,933,293.66/249,883.20
  6. Step 6: Final answer
    x = 122,104.78

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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.