Home / 149,623-206,484.06-82,559.32

Finding the Fourth Proportional to 149,623, 206,484.06 and 82,559.32

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Solution

The fourth proportional to 149,623, 206,484.06 and 82,559.32 is: 113,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,623 : 206,484.06 = 82,559.32 : x
  2. Step 2: Convert to fraction form
    149,623/206,484.06 = 82,559.32/x
  3. Step 3: Cross multiply
    149,623x = 206,484.06 × 82,559.32
  4. Step 4: Simplify right side
    149,623x = 17,047,183,584.44
  5. Step 5: Solve for x
    x = 17,047,183,584.44/149,623
  6. Step 6: Final answer
    x = 113,934.25

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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.