Home / 156,867-235,196.46-57,015.33

Finding the Fourth Proportional to 156,867, 235,196.46 and 57,015.33

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Solution

The fourth proportional to 156,867, 235,196.46 and 57,015.33 is: 85,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,867 : 235,196.46 = 57,015.33 : x
  2. Step 2: Convert to fraction form
    156,867/235,196.46 = 57,015.33/x
  3. Step 3: Cross multiply
    156,867x = 235,196.46 × 57,015.33
  4. Step 4: Simplify right side
    156,867x = 13,409,803,781.73
  5. Step 5: Solve for x
    x = 13,409,803,781.73/156,867
  6. Step 6: Final answer
    x = 85,485.18

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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.