Home / 111,589.20-167,424.66-51,646.32

Finding the Fourth Proportional to 111,589.20, 167,424.66 and 51,646.32

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Solution

The fourth proportional to 111,589.20, 167,424.66 and 51,646.32 is: 77,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,589.20 : 167,424.66 = 51,646.32 : x
  2. Step 2: Convert to fraction form
    111,589.20/167,424.66 = 51,646.32/x
  3. Step 3: Cross multiply
    111,589.20x = 167,424.66 × 51,646.32
  4. Step 4: Simplify right side
    111,589.20x = 8,646,867,566.25
  5. Step 5: Solve for x
    x = 8,646,867,566.25/111,589.20
  6. Step 6: Final answer
    x = 77,488.39

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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.