Home / 156,922.15-235,383.23-137,239.15

Finding the Fourth Proportional to 156,922.15, 235,383.23 and 137,239.15

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Solution

The fourth proportional to 156,922.15, 235,383.23 and 137,239.15 is: 205,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.15 : 235,383.23 = 137,239.15 : x
  2. Step 2: Convert to fraction form
    156,922.15/235,383.23 = 137,239.15/x
  3. Step 3: Cross multiply
    156,922.15x = 235,383.23 × 137,239.15
  4. Step 4: Simplify right side
    156,922.15x = 32,303,794,409.45
  5. Step 5: Solve for x
    x = 32,303,794,409.45/156,922.15
  6. Step 6: Final answer
    x = 205,858.73

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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.