Home / 254,865.36-351,718.38-140,149.02

Finding the Fourth Proportional to 254,865.36, 351,718.38 and 140,149.02

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Solution

The fourth proportional to 254,865.36, 351,718.38 and 140,149.02 is: 193,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,865.36 : 351,718.38 = 140,149.02 : x
  2. Step 2: Convert to fraction form
    254,865.36/351,718.38 = 140,149.02/x
  3. Step 3: Cross multiply
    254,865.36x = 351,718.38 × 140,149.02
  4. Step 4: Simplify right side
    254,865.36x = 49,292,986,272.99
  5. Step 5: Solve for x
    x = 49,292,986,272.99/254,865.36
  6. Step 6: Final answer
    x = 193,407.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.