Home / 167,683.22-231,400.51-91,200.66

Finding the Fourth Proportional to 167,683.22, 231,400.51 and 91,200.66

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Solution

The fourth proportional to 167,683.22, 231,400.51 and 91,200.66 is: 125,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,683.22 : 231,400.51 = 91,200.66 : x
  2. Step 2: Convert to fraction form
    167,683.22/231,400.51 = 91,200.66/x
  3. Step 3: Cross multiply
    167,683.22x = 231,400.51 × 91,200.66
  4. Step 4: Simplify right side
    167,683.22x = 21,103,879,236.34
  5. Step 5: Solve for x
    x = 21,103,879,236.34/167,683.22
  6. Step 6: Final answer
    x = 125,855.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.