Home / 236,122.11-354,089.21-86,328.27

Finding the Fourth Proportional to 236,122.11, 354,089.21 and 86,328.27

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Solution

The fourth proportional to 236,122.11, 354,089.21 and 86,328.27 is: 129,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,122.11 : 354,089.21 = 86,328.27 : x
  2. Step 2: Convert to fraction form
    236,122.11/354,089.21 = 86,328.27/x
  3. Step 3: Cross multiply
    236,122.11x = 354,089.21 × 86,328.27
  4. Step 4: Simplify right side
    236,122.11x = 30,567,908,493.33
  5. Step 5: Solve for x
    x = 30,567,908,493.33/236,122.11
  6. Step 6: Final answer
    x = 129,458.05

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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.