Home / 147,735.39-203,851.10-84,074.25

Finding the Fourth Proportional to 147,735.39, 203,851.10 and 84,074.25

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Solution

The fourth proportional to 147,735.39, 203,851.10 and 84,074.25 is: 116,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,735.39 : 203,851.10 = 84,074.25 : x
  2. Step 2: Convert to fraction form
    147,735.39/203,851.10 = 84,074.25/x
  3. Step 3: Cross multiply
    147,735.39x = 203,851.10 × 84,074.25
  4. Step 4: Simplify right side
    147,735.39x = 17,138,627,923.80
  5. Step 5: Solve for x
    x = 17,138,627,923.80/147,735.39
  6. Step 6: Final answer
    x = 116,008.95

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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.