Home / 149,675.40-206,555.06-82,607.24

Finding the Fourth Proportional to 149,675.40, 206,555.06 and 82,607.24

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Solution

The fourth proportional to 149,675.40, 206,555.06 and 82,607.24 is: 113,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,675.40 : 206,555.06 = 82,607.24 : x
  2. Step 2: Convert to fraction form
    149,675.40/206,555.06 = 82,607.24/x
  3. Step 3: Cross multiply
    149,675.40x = 206,555.06 × 82,607.24
  4. Step 4: Simplify right side
    149,675.40x = 17,062,943,414.63
  5. Step 5: Solve for x
    x = 17,062,943,414.63/149,675.40
  6. Step 6: Final answer
    x = 113,999.65

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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.