Home / 236,301.15-354,504.60-86,538.45

Finding the Fourth Proportional to 236,301.15, 354,504.60 and 86,538.45

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Solution

The fourth proportional to 236,301.15, 354,504.60 and 86,538.45 is: 129,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,301.15 : 354,504.60 = 86,538.45 : x
  2. Step 2: Convert to fraction form
    236,301.15/354,504.60 = 86,538.45/x
  3. Step 3: Cross multiply
    236,301.15x = 354,504.60 × 86,538.45
  4. Step 4: Simplify right side
    236,301.15x = 30,678,278,601.87
  5. Step 5: Solve for x
    x = 30,678,278,601.87/236,301.15
  6. Step 6: Final answer
    x = 129,827.04

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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.