Home / 236,639.82-354,749.25-86,845.83

Finding the Fourth Proportional to 236,639.82, 354,749.25 and 86,845.83

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Solution

The fourth proportional to 236,639.82, 354,749.25 and 86,845.83 is: 130,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,639.82 : 354,749.25 = 86,845.83 : x
  2. Step 2: Convert to fraction form
    236,639.82/354,749.25 = 86,845.83/x
  3. Step 3: Cross multiply
    236,639.82x = 354,749.25 × 86,845.83
  4. Step 4: Simplify right side
    236,639.82x = 30,808,493,058.13
  5. Step 5: Solve for x
    x = 30,808,493,058.13/236,639.82
  6. Step 6: Final answer
    x = 130,191.50

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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.