Home / 149,587.98-206,417.07-82,515.66

Finding the Fourth Proportional to 149,587.98, 206,417.07 and 82,515.66

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Solution

The fourth proportional to 149,587.98, 206,417.07 and 82,515.66 is: 113,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,587.98 : 206,417.07 = 82,515.66 : x
  2. Step 2: Convert to fraction form
    149,587.98/206,417.07 = 82,515.66/x
  3. Step 3: Cross multiply
    149,587.98x = 206,417.07 × 82,515.66
  4. Step 4: Simplify right side
    149,587.98x = 17,032,640,766.32
  5. Step 5: Solve for x
    x = 17,032,640,766.32/149,587.98
  6. Step 6: Final answer
    x = 113,863.70

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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.