Home / 254,733.48-381,517.56-121,707.18

Finding the Fourth Proportional to 254,733.48, 381,517.56 and 121,707.18

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Solution

The fourth proportional to 254,733.48, 381,517.56 and 121,707.18 is: 182,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,733.48 : 381,517.56 = 121,707.18 : x
  2. Step 2: Convert to fraction form
    254,733.48/381,517.56 = 121,707.18/x
  3. Step 3: Cross multiply
    254,733.48x = 381,517.56 × 121,707.18
  4. Step 4: Simplify right side
    254,733.48x = 46,433,426,348.08
  5. Step 5: Solve for x
    x = 46,433,426,348.08/254,733.48
  6. Step 6: Final answer
    x = 182,282.39

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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.