Home / 111,589.20-167,393.64-31,628.25

Finding the Fourth Proportional to 111,589.20, 167,393.64 and 31,628.25

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Solution

The fourth proportional to 111,589.20, 167,393.64 and 31,628.25 is: 47,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,589.20 : 167,393.64 = 31,628.25 : x
  2. Step 2: Convert to fraction form
    111,589.20/167,393.64 = 31,628.25/x
  3. Step 3: Cross multiply
    111,589.20x = 167,393.64 × 31,628.25
  4. Step 4: Simplify right side
    111,589.20x = 5,294,367,894.33
  5. Step 5: Solve for x
    x = 5,294,367,894.33/111,589.20
  6. Step 6: Final answer
    x = 47,445.16

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1.5x scale

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.