Home / 242,868.82-363,983.38-136,250.76

Finding the Fourth Proportional to 242,868.82, 363,983.38 and 136,250.76

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Solution

The fourth proportional to 242,868.82, 363,983.38 and 136,250.76 is: 204,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,868.82 : 363,983.38 = 136,250.76 : x
  2. Step 2: Convert to fraction form
    242,868.82/363,983.38 = 136,250.76/x
  3. Step 3: Cross multiply
    242,868.82x = 363,983.38 × 136,250.76
  4. Step 4: Simplify right side
    242,868.82x = 49,593,012,152.37
  5. Step 5: Solve for x
    x = 49,593,012,152.37/242,868.82
  6. Step 6: Final answer
    x = 204,196.70

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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.