Home / 236,118.61-354,083.95-86,324.77

Finding the Fourth Proportional to 236,118.61, 354,083.95 and 86,324.77

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Solution

The fourth proportional to 236,118.61, 354,083.95 and 86,324.77 is: 129,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,118.61 : 354,083.95 = 86,324.77 : x
  2. Step 2: Convert to fraction form
    236,118.61/354,083.95 = 86,324.77/x
  3. Step 3: Cross multiply
    236,118.61x = 354,083.95 × 86,324.77
  4. Step 4: Simplify right side
    236,118.61x = 30,566,215,544.44
  5. Step 5: Solve for x
    x = 30,566,215,544.44/236,118.61
  6. Step 6: Final answer
    x = 129,452.80

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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.