Home / 135,721.60-203,591.04-46,983.68

Finding the Fourth Proportional to 135,721.60, 203,591.04 and 46,983.68

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Solution

The fourth proportional to 135,721.60, 203,591.04 and 46,983.68 is: 70,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,721.60 : 203,591.04 = 46,983.68 : x
  2. Step 2: Convert to fraction form
    135,721.60/203,591.04 = 46,983.68/x
  3. Step 3: Cross multiply
    135,721.60x = 203,591.04 × 46,983.68
  4. Step 4: Simplify right side
    135,721.60x = 9,565,456,274.23
  5. Step 5: Solve for x
    x = 9,565,456,274.23/135,721.60
  6. Step 6: Final answer
    x = 70,478.51

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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.