Home / 236,498.86-354,537.38-86,704.25

Finding the Fourth Proportional to 236,498.86, 354,537.38 and 86,704.25

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Solution

The fourth proportional to 236,498.86, 354,537.38 and 86,704.25 is: 129,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,498.86 : 354,537.38 = 86,704.25 : x
  2. Step 2: Convert to fraction form
    236,498.86/354,537.38 = 86,704.25/x
  3. Step 3: Cross multiply
    236,498.86x = 354,537.38 × 86,704.25
  4. Step 4: Simplify right side
    236,498.86x = 30,739,896,827.22
  5. Step 5: Solve for x
    x = 30,739,896,827.22/236,498.86
  6. Step 6: Final answer
    x = 129,979.05

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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.