Home / 156,910.40-235,219.80-109,525.40

Finding the Fourth Proportional to 156,910.40, 235,219.80 and 109,525.40

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Solution

The fourth proportional to 156,910.40, 235,219.80 and 109,525.40 is: 164,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.40 : 235,219.80 = 109,525.40 : x
  2. Step 2: Convert to fraction form
    156,910.40/235,219.80 = 109,525.40/x
  3. Step 3: Cross multiply
    156,910.40x = 235,219.80 × 109,525.40
  4. Step 4: Simplify right side
    156,910.40x = 25,762,542,682.92
  5. Step 5: Solve for x
    x = 25,762,542,682.92/156,910.40
  6. Step 6: Final answer
    x = 164,186.33

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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.