Home / 236,619.78-354,363.84-136,476.36

Finding the Fourth Proportional to 236,619.78, 354,363.84 and 136,476.36

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Solution

The fourth proportional to 236,619.78, 354,363.84 and 136,476.36 is: 204,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,619.78 : 354,363.84 = 136,476.36 : x
  2. Step 2: Convert to fraction form
    236,619.78/354,363.84 = 136,476.36/x
  3. Step 3: Cross multiply
    236,619.78x = 354,363.84 × 136,476.36
  4. Step 4: Simplify right side
    236,619.78x = 48,362,286,998.82
  5. Step 5: Solve for x
    x = 48,362,286,998.82/236,619.78
  6. Step 6: Final answer
    x = 204,388.18

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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.