Home / 148,383.43-204,772.95-91,054.43

Finding the Fourth Proportional to 148,383.43, 204,772.95 and 91,054.43

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Solution

The fourth proportional to 148,383.43, 204,772.95 and 91,054.43 is: 125,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,383.43 : 204,772.95 = 91,054.43 : x
  2. Step 2: Convert to fraction form
    148,383.43/204,772.95 = 91,054.43/x
  3. Step 3: Cross multiply
    148,383.43x = 204,772.95 × 91,054.43
  4. Step 4: Simplify right side
    148,383.43x = 18,645,483,729.61
  5. Step 5: Solve for x
    x = 18,645,483,729.61/148,383.43
  6. Step 6: Final answer
    x = 125,657.45

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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.