Home / 236,311.24-354,519.60-86,548.36

Finding the Fourth Proportional to 236,311.24, 354,519.60 and 86,548.36

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Solution

The fourth proportional to 236,311.24, 354,519.60 and 86,548.36 is: 129,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,311.24 : 354,519.60 = 86,548.36 : x
  2. Step 2: Convert to fraction form
    236,311.24/354,519.60 = 86,548.36/x
  3. Step 3: Cross multiply
    236,311.24x = 354,519.60 × 86,548.36
  4. Step 4: Simplify right side
    236,311.24x = 30,683,089,967.86
  5. Step 5: Solve for x
    x = 30,683,089,967.86/236,311.24
  6. Step 6: Final answer
    x = 129,841.86

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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.