Home / 236,628.94-355,118.38-86,962

Finding the Fourth Proportional to 236,628.94, 355,118.38 and 86,962

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Solution

The fourth proportional to 236,628.94, 355,118.38 and 86,962 is: 130,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,628.94 : 355,118.38 = 86,962 : x
  2. Step 2: Convert to fraction form
    236,628.94/355,118.38 = 86,962/x
  3. Step 3: Cross multiply
    236,628.94x = 355,118.38 × 86,962
  4. Step 4: Simplify right side
    236,628.94x = 30,881,804,561.56
  5. Step 5: Solve for x
    x = 30,881,804,561.56/236,628.94
  6. Step 6: Final answer
    x = 130,507.30

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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.